Slide Adders
TRONCETS:
Caze
1720
Kummer
1847
Arihtmographe Troncet
1888
Arihtmographe
1891
Universal
1890
Locke
1901
Locke
1901
Excelsior
1904
Omega
Rechner
1905
The Educated Monkey
1916
Rebo
1916
Pro Calculo
1920
Pocket Adding Machine
1920's
Master
1930
Efficience
1934
Da Crosses
1955
Kingson
1950's
Addimult Addmaster
1950's
Produx (2)
1960's
Addifix
Addifix 6
1960
Addimax
Sizematic
Addimult
Sumat-6
Baby
Exactus
Francia
Kalkometer
Kingson
Magic-Brain
Math-Add-Matic
MBC Pocket Calculator
Omega Pocket Adding Machine
Omega
Produx
Sears
Tasco
Ve-Po-Ad
W Calculator
Wolverine
Calculator
Standard
ADDIATORS:
Maximator
1925
Addiator
1930's
Sterling Correntator
1930's
Faber Castell with Slide Rule
1949
Duplex
1950
Duplex
1950
Arithma
1960
Ad
Baby Black
Brevete
Instructions
Astro
Elsarie
Castell
Faber-Castell
Faber-Castell
Fractomator
Fractomator
Correntator
Rychlopoctar
CHAIN:
Bassett
1909
Seidel & Naumann
1910
Seidel & Naumann
1910
Comptator
1920
Calculator
CIRCULAR:
Webbs
1869
Eureka
1890
Totalisateur Troncet
1890
Ultra Washington
X-Number World
Revised:
December 02, 2006.