MARCHANT

Monroe Calculator (Amsterdam)

Comptometer
Felt Tarrant Mfg. Co. (Chicago)
(Unit 1)

Comptometer
Felt Tarrant Mfg. Co. (Chicago)
(Unit 2)

AMERICAN ADDING MACHINE (Chicago)

HOFFRITZ ADDING MACHINE (Germany)

Regina B-8

The Paymaster System

DIAL A-MATIC
Automatic Adding Machine
Sterling - Pat. 2,797,047

The Checkbook Balancer

Vest Pocket Adding Machine

TASCO Pocket Arithmometer (2 Units)

Wizard Calculating Machine

ARITHMA Addiator (Germany)

ARITHMA Addiators (Germany)

Addiator Universal (West Germany)

PRODUX Original

Valiant Personal Calculator (Japan)

CALCULATOR

See & Spell (Unit 1)

See & Spell (Unit 2)

The X-Number World of Calculators