X-Number World Updates

Collectors


Date Section Page Update
03/27/2016 Mechanical History Translation to Czech made by Sophi Spacilova
 
05/16/2015 The Age of the Polymaths History Translation to Bulgarian made by Stoil Dragomirov
 
05/09/2015 Microcomputer Invention Collectors and
History
French translation by Silvia Moraru
04/19/2015 Nixdorf Calculators 1 Collectors and
History
French translation by Anna Chekovsky
03/21/2015 Wang Calculators Collectors and
History
French translation by Mary Orban
03/21/2015 Nixdorf Calculators 2 Collectors and
History
French translation by Vicky Rotarova
11/16/2014 Nixdorf Calculators 1 Collectors and
History
French translation by Anna Chekovsky
04/27/2014 Mechanical/Electr Collectors and
History
Jim Falk - Things that Count: the rise and fall of calculators
10/14/2012 Mechanical History Mechanical Calculators translation to Russian - Mario Pozner
06/06/2012 Mechanical History Yves Serra - Pascaline Website
03/11/2012 Electr Collectors Shinichiro Osaki - Dentaku Museum
HAPPY NEW YEAR!
07/15/2011 Mech Collectors Updated information of Friedrich Diestelkamp
01/27/2011 Mech Collectors Updated information of Andre Devaux
HAPPY NEW YEAR!
11/05/2010 Mechanical History An article about Chinese Wenhua (Culture) mechanical calculators by Wj Wang
10/30/2010 Mechanical Collectors Added Wj Wang to the Collectors Gallery
09/24/2010 Mechanical Collectors Added Michael and Dianne Hancock to the Collectors Gallery
09/14/2010 Mechanical Resources Updated Michael Hancock Info
06/27/2010 Electr Collectors Lamberto Guerrero - Old Radios and Calculators
08/28/2009 Electr Collectors Rohit Menon - Old Texas Instruments Calculators
04/20/2008 Electr Articles Stan Mazor's Chateau - Youtube Video
01/18/2008 Mech Collectors Gaby Redin and Andrea Duranti - Collection of Vintage Calculators
HAPPY NEW YEAR!
11/30/2007 Mech Collectors Herbert Scheemann - Rechen Maschinen Illustrated
11/21/2007 Mech Books MONROE 6N - Parts Catalog 1959 - Courtesy of Ite Weide
09/21/2007 Mech Album Greg Lambousy - Burkhardt Arithmometer.
05/06/2007 Electr History The Story of Mister Rocket - Serge Devidts.
05/05/2007 Electr Collectors Noël Jouenne (France)
03/16/2007 Home and Online Home and Javascript Kalid Azad - InstaCalc
02/14/2007 Electr Collectors David Hicks - Museum of HP Calculators
02/08/2007 Mech Collectors David Riches - Mathematical Instruments Website.
01/07/2007 Home Books The Calculating Machines - Online
01/07/2007 Mech Collectors Herbert Schneemann (Germany)
01/01/2007 Home Home page Using keyboard style on selection menu.
HAPPY NEW YEAR!
12/02/2006 Troncets Album Added items from David M Riches Collection
12/01/2006 Electr Articles Microprocessor History - Foundations in Glenrothes - Scotland - Jim McGonigal
10/27/2006 Modern Resources HP41 Archives  - Warren Furlow
10/27/2006 Modern Resources Manual for Monroe 2125 - Courtesy of Ken Welter
09/29/2006 Mech Collectors David M Riches Collection
09/05/2006 Troncets Album Rychlopoctar Addiator from David M Riches Collection
07/29/2006 Troncets Album Addiator pictures from David M Riches Collection
05/29/2006 Electr Articles The MCM/70 Microcomputer - Zbigniew Stachniak.
05/29/2006 Electr Museums The York University Computer Museum - YUCoM.
05/28/2006 Mech Articles Making the Arithmometer Count - Stephen Johnston
05/27/2006 Home Home page Redesign of the home page and menu options.
05/19/2006 Home Home page Link to Google Calculator - X-Number Keyboard Interface
05/19/2006 Mech Album Original Odhner 4241 - Vladimir Baykov - Russia.
05/19/2006 Mech Collectors Kevin Odhner _ Odhner Memorial Site
05/19/2006 Electr Album MP-1 Chip
02/05/2006 Mech Collectors Nathan Zeldes (Israel) - Mechanical Calculators Collection.
12/10/2005 Electr Collectors Emil Dudek (England) - Vintage Technology
12/02/2005 Mech Collectors Clive Maxfield (USA) - DIYalculator
12/02/2005 Mech Album Enigma Decoding Machine - Clive Maxfield
12/02/2005 Troncets Album OMEGA - Pocket Adding Machine - Clive Maxfield
08/13/2005 Mech/Electr History The History of Calculators and Computers - Clive Maxfield
07/26/2005 Mech/Electr Museums Computer History Museum - Mountain View, CA
Arithmeum - Bonn.
06/11/2005 Mech/Electr Collectors Andrew Davie - Updated information.
06/10/2005 Mech History Difference of Opinion - Escaping from the footnotes of history - Felix Grant and Ray Girvan
06/03/2005 Mech Collectors Magnus C. Buehrmann  (Germany) - Vintage and modern cash registers
06/03/2005 Mech/Electr Collectors Josep Balsach (Spain)- De la Mano al Cálculo Electrónico
06/03/2005 Mech Collectors Harold Schmid (Germany) - Facit Calculators
05/28/2005 Mech Collectors Mark Glusker (USA)- Mechanical Calculations
04/30/2005 Mech Collectors Andre Devaux (France)
02/13/2005 Mech Resources ReLex
02/12/2005 Mech Collectors Valéry Monnier (France) - Arithmometre.
02/12/2005 Troncets History History of the Magic Brain Calculator - John D. Huey
08/02/2004 Online Other Dynamic Drive - Dynamic HTML Calculator.
07/30/2004 Mech/Electr Collectors Nico Baaijens (Holland) - Old Calculators - My Collection.
07/09/2004 Electr History Heinz Nixdorf and the Nixdorf Computer AG - Margret Amedick  and Ulf Hashagen
07/05/2003 Troncets Album Posted comments on "Calculator" Troncet model.
07/04/2004 All All Passed all the pages to a new server from dotpoint.com to xnumber.com
05/18/2004 Mech History Biography of a Machine - Brooke Boering (aka -Vagabondo)
05/04/2004 Mech Collectors Freddy Haeghens - Belgium
03/11/2004 Electr Collectors Serge Devidts (Belgium) - BE CALC
02/20/2004 Mech Collectors Lars Lind Nilsson - Denmark
02/16/2004 Mech Facit Pages Lars Lind Nilsson - Facit Model  S (1936).
02/14/2004 Electr Collectors Simon and Amanda Southwell (UK)
02/13/2004 Online JavaScript Simon Southwell and Hugh Steers - Anita, Adler and Triumph Calcs.
02/10/2004 Mech/Electr Collectors Ugo Mainieri (Milano - Italy) 
02/09/2004 Mech/Electr Collectors Torbjörn Olsson (Sweden)
02/04/2004 Mech History Interview with Frank Stephen Baldwin.
01/30/2004 Online Flash Jan Meyer - Curta Simulator
01/30/2004 Mech Album Kevin Brown - Alpina 1961
01/19/2004 Mech Album Robert Poor - Monroe Electrical 1922
01/19/2004 Electr Album William Jones - Qualitron
10/15/2003 Mech Collectors Nicholas Bodley - USA.
10/15/2003 Mech Collectors Prof. Rainer Bischoff - Denmark
11/08/2003 Mech Misc Notes on Burroughs page updated.
10/11/2003 Mech History James Redin - First Mechanical Binary Computer - History Part III.
10/03/2003 Mech/Electr Collectors Philippe Marmy - Computissimo.
09/17/2003 Electr History Recollections of the Walther Company's Ventures into Electronics - Ray McKay
09/16/2003 Mech/Electr Museums Museu das Calculadoras  - Brazil
09/16/2003 Mech/Electr Collectors Paulo Boselli - Brazil
08/24/2003 Mech Collectors Noel Jouenne - France
08/06/2003 Troncets Album Excelsior - Robert K. Otnes
08/05/2003 Mech Collectors Robert K. Otnes - Mechanical Calculators Collector
08/01/2003 Mech Album Monarch - Donald Stei
07/30/2003 Troncets Album Kalkometer - Thomas Mumper
07/21/2003 Mech Album ADDO Calculator - Richard Weston
07/20/2003 Vintage Billboard Donald Stai - Unknown Calculator
07/20/2003 Mech Collectors Walter Szrek - Calculator's Pages
07/06/2003 Mech Album Remington Rand Calculator - Ken Hamilton
07/04/2003 Troncets Album MBC Pocket Calculator - Stacie Robertson.
05/18/2003 Online Other Virtual Calc98 - www.calculator.org
05/17/2003 Online Other Blaine Hilton - WebCalc
03/18/2003 Mech History Jean Marguin - UNE HISTOIRE DU CALCUL ARTIFICIEL
ET DE SES CONCEPTS
02/17/2003 Mech History James Redin - Antikythera Calculator - History Part I
02/17/2003 Online Java Gerhard Wenzel - Bowmar Calculator
02/17/2003 Online Javascript Bryan Gamble - BG-78 Calculator
02/16/2003 Mech History Évolution des machines ŕ calculer - Alexandre Faribault
02/14/2003 Electr Collectors Evrard Gerard - France
01/19/2003 Electr/Mech Collectors Daniel Sancho - Teclas.org
01/19/2003 Electr Collectors Emil Dudek - Vintage Technology
01/19/2003 Electr Album Litronix 1102 - David Smith 
12/09/2002 Vintage Forum Reset entries. 
12/08/2002 Electr
Online
Album Datamath Windows Calculator - Joerg Woerner.
07/11/2002 Mech Collectors Dick Rose - Vintage Instruments.
06/28/2002 Mech Album Mechanical Accountant 1910 - Jay M. Goldman.
05/16/2002 Troncets Album Pro Calculo - Beth Stone.
05/10/2002 Online Flash Calculator.com - Fractions & Scientific.
05/10/2002 Online Flash Steve Andrews - Numeric Calculator
05/09/2002 Electr Collectors Malcolm - My Calculators
05/08/2001 Mech Album Facit Original - Serial # 106! - Jay M. Goldman.
04/17/2002 Mech Collectors Giovanni Breda - Italy
04/05/2002 Troncets Album Seidel & Naumann - Jay M. Goldman.
03/15/2002 Electr History The Story of the Datamath Calculator - Joerg Woerner.
03/15/2002 Electr Album Corvus 0310 - David Smith
03/15/2002 Mech Collectors Erhard Anthes - Germany
03/15/2002 Mech History The FACIT Pages - Facit 1051 Prof. Erhard Anthes
02/17/2002 Electr Collectors Maike Sebastian - USA
02/10/2002 Electr Resources Mike Sebastian - Technical Information
02/10/2002 Electr Collectors Ernst Mulder - Sweden
02/10/2002 Mech Album Tim Bergin - Brunsviga, American, Victor, Wales.
01/09/2002 Mech
Electr
Museums American University Computer History Museum
01/09/2002 Mech Collectors Tim Bergin - USA
12/05/2001 Electr Album Keystone 2050 - Dwayne Schild
12/04/2001 Mech Album Precisa - Everest - Freddy Haeghens.
11/26/2001 Electr History Intel's Accidental Revolution - Michael Kanellos.
11/06/2001 Electr Album Casio AS-80 - Mike Shortville.
11/05/2001 Mech Album Burkhardt Arithmometer & Scribola - Jay M. Goldman.
10/20/2001 Online JavaScript Educated Monkey - Reinhard Atzbach.
10/20/2001 Mech Album Numeria Comptometer - David Arthur.
10/20/2001 Mech History History of Mechanical Calculators - Part III. Added a section for Adix, Diera and Kuli machines. 
10/20/2001 Troncets Album Omega Rechner - Freddy Haeghens.
10/20/2001 Mech Album Adix, Kuli, Demos II - Freddy Haeghens.
10/13/2001 Mech Museums Retro beep
10/13/2001 Mech Album Schickard's Replica - Freddy Haeghens.
10/07/2001 Mech/Electr Resources Google Page of Calculators.
10/07/2001 Mech Collectors Keith Smillie - Canada
10/07/2001 Electr Collectors Matthias Wehrli. Switzerland
10/07/2001 Mech Troncets Locke & Educated Monkey - Art Rosen.
10/07/2001 Mech Album Archimedes - Art Rosen.
09/28/2001 Mech Album American Arithmometer - Art Rosen.
09/23/2001 Mech Billboard Burroughs - Walter Coston
09/05/2001 Mech Collectors Jay M. Goldman - Office Collectibles.
09/05/2001 Mech Album Austria, Liliput, XxX, Marchant - Jay M. Goldman.
08/31/2001 Mech Resources
Clips
Notes on the History of FACIT - Nils Bongue
07/30/2001 Mech Museums Computer History Exhibits - Stanford University.
07/06/2001 Mech Album ASTRA - Tullio Parravicini
07/06/2001 Mech Collectors Tullio Parravicini - Italy
07/06/2001 Electr Album Amelia Sci LED Calc - David May
07/06/2001 Electr Album TI-1200 and Bowmar 901B - David Smith
06/15/2001 Mech Collectors Giuseppe Caltagirone - Italy
06/15/2001 Mech Resources Updated Dick Rose's mechanic calculators listing.
05/20/2001 On-Line Calcs Terrence Ma - Flash Calculator
05/19/2001 On-Line Calcs Steve Dulaney Windows Calculator
05/19/2001 On-Line Calcs Link to javascriptsource.com
05/18/2001 Electr Collectors David Gowing - Stellatron
05/12/2001 Electr Collectors Chris Owen - Planet Sinclair
05/11/2001 Electr Resources
Articles
Sharp LCD Calculators: 1973 – early 1980s - Larry Gilbert.
04/27/2001 Mech Album Odhner - LUSID - Eusebio Huélamo 
04/2522001 Mech History The FACIT Pages - Facit CE1006 Christofer Nöring
04/06/2001 Troncets Album Et Ultra Washington - Leonel Yussim
04/06/2001 Mech Billboard Et Ultra Washington - Leonel Yussim
04/06/2001 Electr Collectors Updated Bruce Rogers links.
04/06/2001 Mech Album Napier Bones - David Bauman.
04/01/2001 Mech Forum Reset entries.
03/10/2001 Mech Collectors Dr. Joern Luetjens - Slide rules, abacuses and addiators museum
03/02/2001 Electr Collectors Serge Devidts - Vintage Electronic Calculators
03/02/2001 Electr History Recollections of the Walther Company's Venture into Electronics - Ray Mackay
03/01/2001 Electr History Moore's "Promise" and Early Microcomputer Developments (video) - Stanley Mazor
02/25/2001 Mech History The FACIT Pages - Facit CE1-13 Christofer Nöring
02/23/2001 Electr Album Shima's 4004 Towel, Intel 8008 & 8080 - Stanley Mazor
02/23/2001 Mech Album Curta I - Clive Faulks
02/19/2001 Mech Collectors Wolf-G. Bluemich - Germany
02/19/2001 Mech/Electr Classifieds Artifice - Clive Faulks
02/13/2001 Mech BillBoard Arithmometer - Alfredo Chaves
01/28/2001 Mech History The FACIT Pages - Facit Standard. Jay Goldman
01/27/2001 Mech Album Calcumeter - Vic Bramlett
01/24//2001 Troncets Album Siedel&Naumann update - Andries de Man
12/16/2000 Mech Collectors Reinhard Atzbach - Germany
12/15/2000 Mech Collectors Eusebio Huélamo - Spain
12/08/2000 Mech History Recuerdos del Cálculo Mecánico
Eusebio Huélamo 
11/23/2000 Troncets Misc Magic Brain Calculator Instructions
11/18/2000 Troncets Album W Calculator - Frank Graichen
11/12/2000 Mech Album Contex Notes - John Blackler.
11/11/2000 Mech History History of Mechanical Calculators - Part II. Added a section for Thomas Fowler Ternary Machine. 
11/11/2000 Mech Album Thomas Fowler's Calculator
11/10/2000 Mech Album Braun & Vayringe Calculator
11/10/2000 Electr/Mech Museums Deutsches Museum
11/09/2000 Mech History The FACIT Pages - Facit Standard - K. Kadokura
11/05/2000 Electr History The History of the Microcomputer - Invention and Evolution - Stanley Mazor.
10/29/2000 Electr Collectors David May - Classic Collectors World
10/14/2000 Mech History Updated Facit's info in the Facit Page.
10/08/2000 Electr Collectors Joerg Woerner's TI Museum.
10/06/2000 Mech History History of FACIT Calculators by Christofer Nöring
10/06/2000 Mech History Updated Facit's info in the History of Mechanical Calculators - Part II.
09/16/2000 Electr Album Joerg Woerner's TI Collection.
08/20/2000 Troncets Album Totalisateur Troncet from EBay
08/20/2000 Troncets Album C.H. Webb Adder from EBay
08/19/2000 Books   Office Collectibles : 100 Years of Business Technology
08/19/2000 Electr/Mech Museums Mathematisches Maschinenmuseum
08/19/2000 Electr Collectors Nigel Tout - Vintage Calculators
08/01/2000 Electr Album TI-1025, NSC750, Royal, Sears 82- David Smith
07/23/2000 Electr Album Mathematician - David Smith
07/23/2000 Electr Album TI-2550 - David Smith
07/16/2000 X-Number all Updated missing links.. Please report any one left. Thanks!
07/16/2000 Electronic Collectors La Colección de Calculadoras de Xosé
07/15/2000 Electronic Classifieds Antiqibles.com Antiques & Collectibles Internet Directory
07/14/2000 Mech Troncets Jim Cerny's Addiators.
06/24/2000 Mech Collectors Nigel Tout
06/23/2000 Mech History Updated Comptometer info in the History of Mechanical Calculators - Part III.
06/09/2000 On-Line Calcs Updated Links.
05/07/2000 Patent Foreword Updated patent information.
04/30/2000 Mech Collectors Friederich Diestelkamp.
04/22/2000 Mech History Chronology of the History of Japanese Mechanical Calculators - K. Kadokura.
04/17/2000 Mech Collectors Katsunory Kadokura.
04/15/2000 Mech History The FACIT Pages - Facit E, EK, NE, NLX - K. Kadokura
04/14/2000 Mech History History of Japanese Mechanical Calculators - K. Kadokura.
04/06/2000 Mech History Non-Decimal Calculators - Friederich Diestelkamp.
03/12/2000 Mech History The FACIT Pages - Facit EA - Christofer Nöring
01/25/2000 Electr Museums Gerhard Wenzel's Museum of Pocket Calculating Devices
01/23/2000 Electr/Mech Collectors Gerhard Wenzel's Museum of Pocket Calculating Devices
01/22/2000 Mech Album Mercedes Euklid - Leslie Zysman
01/20/2000 Electr BillBoard Galactica request - Gary Cannavo
01/11/2000 Electr Album Montgomery Ward P8M  - David Smith
01/11/2000 Mech Collectors Christofer Nöring - Sweden.
01/10/2000 Electr Album NSC 850 & Keystone 88 - David Smith
01/07/2000 Electr Album Commodore GL986R -David Smith
01/07/2000 Electr Album Sharp EL-1105 -David Smith
01/01//2000 Mech History The FACIT Pages - Facit collection from Christofer Nöring
11/21/1999 Electr Album Updated links to HP Calcs - MOHPC
11/05/1999 Electr Collectors Pepe Tozzo - RetroKit
08/29/1999 Vintage Billboard Ensign Calculator - Robert Otnes, PhD
08/29/1999 Mech Album Ensign Calculator - Robert Otnes, PhD
08/21/1999 Mech Resources Clips - Notes on Burroughs Machines
08/21/1999 Mech Album Odhner Machine - Vladimir Baykov.
08/21/1999 Electr Album TI-SR11 -David Smith
07/09/1999 Mech Album Contex Sterling & 1960 model - John Wolff.
06/22/1999 Electr Album TI-1255 - Cleo McCall
06/21/1999 Electr Album TI-1250 and SR-51A - David Smith
05/29/1999 Books Books Amazon.com Calculators Book Page
05/29/1999 Mech Album Comptometer WM - War Model - Ray MacKay.
05/24/1999 Mech Album Austin Adding Machine - Michael Levosky
05/22/1999 Electr Album Commodore SR1800 - David Smith
05/21/1999 Mech Resources [Articles] Comptometer Photos - Internals - Ray MacKay
05/03/1999 Electr Album Sharp EL-801 - David Smith
04/23/1999 Mech Troncets Efficence & Da Crosses - Christophe Mery
04/23/1999 Mech Album Comptometer Model E  - Kevin Odhner
04/16/1999 Electr Collectors Eric  Toonen - Eric's Pocket Calculator collection
04/10/1999 Mech Troncets Master - Andries de Man.
04/02/1999 Mech Collectors Brooke W. Boering (aka Vagabondo)
04/02/1999 Mech Album Comptometer Models - Brooke W. Boering
04/02/1999 Mech Album Baldwin - 1902 Model - Andries de Man
04/02/1999 Vintage Cover Link to The Hersh Web Site Observer
03/24/1999 Modern Manufact Monroe Systems for Business
03/06/1999 Mech Resources IFHB Internationales Forum Historische Bürowelt e. V.
02/27/1999 Electr Album Nixdorf LK-3000 - Pete Owen
02/26/1999 Mech History [Part II] Added a paragraph on Felix Calculators
02/26/1999 Mech Album Felix Calculator - Sovietski Collection
02/26/1999 Mech Album Monroe K with Electrical Drive - Cindy Stringer
02/19/1999 Mech Resources [Articles] MADAS Photos - Internals - Ray MacKay
02/14/1999 Mech Troncets Arithmographe Troncet - Eusebio Huélamo
02/06/1999 Electr History Uncle Sinclair  - Dr. Anoop Sahal
02/06/1999 Electr Album Sinclair Collection - Dr. Anoop Sahal
02/05/1999 Mech Album Ray Subtracto-Adder - Andy Kaylor
02/05/1999 Mech Resources CURTA Repairs - Jack Christensen
02/05/1999 Mech Resources MADAS CD-ROM - Ray Mackay
02/05/1999 Electr Album Garrett 2020 - Thayer Gignoux
01/30/1999 Mech Billboard Eusebio Huélamo MADAS offer.
12/12/1998 Cover Home Included new design of calculator.
12/12/1998 Mech History The FACIT Pages - Facit C1-16 - Art Rosen
12/08/1998 Mech Troncets S&L Chain Adder - Geoff Bowles
12/05/1998 Mech Album Monroe MA7 and Monroe-Matic - John Wolff
12/05/1998 Mech Album Piano Arithmometer - Bob Otnes
12/04/1998 Mech History Link to Colmar Patents - Andries de Man and Bob Otnes.
11/15/1998 Mech Resources [Clips] The Colors of Comptometers.
11/15/1998 Troncets Album Exactus & Produx - Dave May's Collection
11/15/1998 Electr Collectors Dave May - DJ's Collectors Trail
11/13/1998 Electr History Updated Timeline with Soviet Calcs
11/08/1998 Electr Resources Link to Alex Knight Desktop Calculators Directory.
11/08/1998 Electr Resources [Clips] 15-keys - Notes on Key Reduction Examples.
11/06/1998 Mech Resources Curta T-Shirt and link to CALCLIST Archives.
10/23/1998 Mech Album Russian Abacus (Schoty) - Timo Leipala & Sergei Frolov.
10/18/1998 Electr History History of Soviet Calculators - Sergei Frolov.
09/09/1998 Mech History The FACIT Pages - Facit collection from Timo Leipala
08/25/1998 Mech History The FACIT Pages - Facit NTK - Art Rosen
07/26/1998 Mech History The FACIT Pages.
06/30/1998 Mech Resources [Clips] PREDOM 3201 - Vladimir Todorov.
06/25/1998 Electr Resources Added comments of Nicholas Bodley and Mark Glusker to Alex Knight's article.
06/24/1998 Electr Resources [Articles] Basic Troubleshooting Tips for Old Calculators - Alex Knight
06/21/1998 Electr Album Unisonic 737 - Bill Wood
06/16/1998 Mech Resources [Clips] Pronounciation of FACIT?
06/02/1998 Mech Album Bollee's Machine - Patent Link - Andries de Man
06/02/1998 Mech Troncets Webb's Adder - Patent Link - Andries de Man
06/02/1998 Mech Album Ramon de Verea's Machine - Andries de Man
06/01/1998 Mech Resources [Clips] Mechanical Cashiers
05/26/1998 Cover Home Upgraded X# Calc to support Netscape Communicator 4.0
05/10/1998 Patent X# Calc Installed Extended version of X-Number Calculator
05/09/1998 Cover Home Installed Std. version of the X-Number Calculator
05/05/1998 Mech Album Stephenson Adding Machine - Darryl Rehr
05/04/1998 Mech Album Todd Visible Adding Machine - Timo Leipala
05/03/1998 Mech Resources [Clips] Numeria Calculator - Updates
04/27/1998 Mech Resources [Clips] Numeria Calculator - Peter Johnson
04/19/1998 Mech Resources Neal McChristy's Yesterday's Office
04/19/1998 Mech Collectors Jay Respler
04/16/1998 Vintage Archival Added Forum Archivals Aug/97 thru Apr/98
04/09/1998 Mech Troncets Troncet's Arithmographe - Christophe Mery
04/09/1998 Mech Collectors Christophe Mery - France
04/02/1998 Electr History "Innovation: The World's first MPU 4004" Busicom Corp.
03/29/1998 Electr Collectors Moises Vilalta - Tinytron, Spain.
03/29/1998 Mech Resources [Clips] Updated Martin's Book notes
03/29/1998 Vintage Main Added Web Ring Menu (Andrew Davie)
03/21/1998 Vintage Main Introduced new service: BILLBOARD
03/21/1998 Mech Album Pangborn - Darryl Rehr
03/20/1998 Mech Album Brunsvigas A and B - Eusebio Huelamo & Gerold Beckers
03/20/1998 Electr Collectors Mark Greenia
03/20/1998 Electr History "Heinz Nixdorf" - Mark Greenia, Lexicon Services
03/19/1998 Electr Album Anita C/VIII and Anita MK12 - Frank Boehm
03/17/1998 Mech Resources Link to "Yesterday's Office."
03/15/1998 Mech Album Millionaire Calculator photos - Bob Stadsholt
03/15/1998 Mech Resources The Millionaire Calculator - Jim McDermaid
03/12/1998 Electr History Agreement between Intel and NCM (Busicom)
03/09/1998 Mech Album Esacta - Carlo Torchio, Italy.
03/08/1998 Electr News Link to article on Curta Calculators
03/06/1998 Electr Collectors Douglas Jones and Andrew Davie
03/06/1998 Mech Resources [Articles] Marchant: Some Preliminary Remarks - N.Bodley
Also, link to How to build an HP-35 Battery Pack.
03/06/1998 Electr Resources [Clips] Casio Date Functions
03/05/1998 Electr/Mech Resources Link to Lexikon's Encyclopedia of Computer History page
03/04/1998 Mech Resources Associazione Italiana Collezionisti Macchine per Scrivere, da Calcolo e da Ufficio in Genere, d'Epoca
03/03/1998 Electr Collectors Dan Bellander, and Bill Wood.
03/02/1998 Mech Album Internals Millionaire and Monroe Model G.
02/23/1998 Troncets Album Kummer Slide Adder - Timo Leipala
02/21/1998 Mech Collectors Jean Marguin
02/21/1998 Mech Album Hahn's Machine - Jean Marguin
02/14/1998 Mech Album Saxonia - Dave Humphrey
02/14/1998 Mech Resources [Clips] Ernst Martin - The Calculating Machines
02/12/1998 Electr History Link to: "Creativity and Contribution" by Tadao Kashio.
02/10/1998 Mech Album Rapid Calculator (1918) - Anthony
02/09/1998 Mech History Burroughs - History - Michael Hancock
02/08/1998 Mech Album Addiator - Moises Vilalta
02/07/1998 Electr Album Calcu-Pen - Don Digalbo
02/07/1998 Mech Album Busicom HL-21 - John Wolff
02/07/1998 Troncets Album Fractomator - John Wolff
02/07/1998 Electr Resources [Clips] Olivetti Logos 250
02/06/1998 Mech Resources [Clips] MADIX calculator.
02/06/1998 Electr Resources [Clips] Just Curious - Who is Who?
02/03/1998 Mech Album Original Odhner - Timo Leipala
02/02/1998 Mech Album Dalton and Millionaire - The Olde Office and E. Huelamo
02/02/1998 Mech Classifieds The Olde Office
01/29/1998 Troncets Album Universal Adding Machine - Darryl Rehr
01/29/1998 Mech Album Marchants, Plus, Contex - E. Huelamo and Timo Leipala.
01/29/1998 Mech Collectors Ernie Jorgenson and Darryl Rehr.
01/28/1998 Electr Resources [Clips] HP-9100 Schematics
01/26/1998 X-Number Welcome James Redin's Curriculum
01/23/1998 Mech Resources [Articles] Recollections on the MADAS Calculator - Ray Mackay
01/20/1998 Mech Resources [Articles] Burroughs - Tools of the Trade - Michael Hancock
01/17/1998 Mech Resources [Clips] Cleaning Office Machines with 'LIX'
01/16/1998 Mech Collectors Frank Rauk - The Friden Web Page
01/16/1998 Electr History The Wang 360 System - Rick Bensene
01/16/1998 Electr Collectors Rick Bensene
01/16/1998 Electr Album Wang 360, Friden 130, Facit 1111, Sperry 661D - Rick Bensene
01/12/1998 Mech Album Madix Calculator - Klaus Bastian
01/10/1998 Electr History Old Casio Calculators - Ray Mackay
01/10/1998 Electr Album Casio Calculators
01/10/1998 Modern Resources Casio Resources - Ray Mackay
01/10/1998 Mech Collectors Ray Mackay
01/03/1998 Mech Resources Link to Michel Bardel's Listing
01/03/1998 Mech Museums Japanese Museum and Nixdorf Museum.
01/03/1998 Mech Album Austria Machine and Rous' Abacus.
01/01/1998 Mech Resources Article: Memorised Description of Comptometer's Mechanism. Ray Mackay.
01/01/1998 Mech Album Walther photos (Ray Mackay), and Odhner 1207 (Timo Leipala)
01/01/1998 Mech Hist-III Added section for Walther
01/01/1998 Mech History The Walther Company - Ray Mackay
1998 HAPPY NEW YEAR!
12/28/1997 Mech History My Years with Marchant - Ernie Jorgenson.
12/21/1997 Mech Collectors Yves Serra
12/20/1997 Electr Album Friden 132 - Courtesy of Bob Lichty.
12/19/1997 X-Number Several Updated Harold Layer links (collectors & museums)
12/19/1997 Mech Collectors Klaus Bastian, Lau Choon Meng
12/19/1997 Electr Collectors Frank Boehm, Tom Conte, Paul Williams
12/15/1997 Mech Resources Added Dick Rose's listing, and Rick Furr's Curta Page.
12/12/1997 Mech Album Odhner Russia, and Comptograph
12/12/1997 Mech Hist-II Updated info on Odhner section (Timo Leipala)
12/11/1997 Mech Album Faber-Castell Addiator S. Rule - Timo Leipala
12/10/1997 Mech Album 9 troncets - Guy Ball and Timo Leipala
12/09/1997 Mech Album Scheutz Printing Calculator - Differential Engine
12/08/1997 Mech Refs Included Andries Man bookmarks
12/07/1997 Pocket Collectors Carl Friend - Minicomputer & Calculators
12/07/1997 Mech All Added new section on Mechanical Calculators!
12/01/1997 Vintage Album Unisonic 711 photo
11/05/1997 Vintage Album Commodore US*8 photo
10/24/1997 Vintage Resources Reagrouped resources as a new Menu page
10/22/1997 Vintage Collectors Alex Knight - Calculator Technology Archive
10/20/1997 Vintage Album Added Garrett 2000 and Aristo M16
10/15/1997 Vintage Collectors Ingo Heeskens - Mechanical Calculators
10/10/1997 Vintage History Updated info on Wang 300 in "The Doctor and his Calculators" article with Bob Otnes information.
10/08/1997 Vintage Collectors Michel Bardel - Collection de Machines ŕ Calculer anciennes
10/06/1997 Modern Reviews Posted article "RPN or ADL"
10/04/1997 Vintage Collectors
Museums
Theo Lumens - Calculator Museum
10/04/1997 Vintage History Added page with related "News"
10/04/1997 Online Calculators Added 7 new Java calcs and slide rule.
10/01/1997 Modern Added section "Modern Calculators"
09/29/1997 Vintage Album Added set of TI calculators.
09/27/1997 Vintage Album Added set of HP calculators
09/26/1997 Vintage Resources Added Larry Gilbert's articles
09/19/1997 Vintage Resources Installed a Collector Database Listing
09/12/1997 Vintage History Added "Three Men and a Chip" by Irene Kim
09/10/1997 Vintage History Added articles written by Dr. Wlodek Mier-Jedrzejowicz
09/06/1997 Main Menu Installed a "Search Site" engine.
08/01/1997 Vintage Resources Installed Vintage Calculators Forum
04/22//1997 X#-Patent Posted X-Number World in the Internet
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Revised: March 27, 2016.