Addiators A Collection of Mechanical Calculators

Addiators, or troncets, are simple adding or adding/subtracting devices which operate via a system of slides usually operated with a stylus. They are also commonly known as slide adders. Addiators are strictly speaking just one of many brands of slide adder, but the term "Addiator" has been adopted as the generic term for all such…

A “Saldorita” calculator and an “Addiator” calculator, 20th century. Miscellaneous - Technica & Nautica - Auctionet

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Addiator' calculating machine, c 1924.

Addiator calculator; Addiator Gessllschaft; 1920's - 1930's; r17457

Vintage Arithmetic ruler Calculator Mechanical Slide Addiator 1960s USSR.

Addiator hi-res stock photography and images - Alamy

Addiators A Collection of Mechanical Calculators

Powerhouse Collection - Addmaster calculator

John Wolff's Web Museum - Slide Adding Machines

Pocket Mechanical Calculator - Addiator/Addifix

Add Addiator Subtract Calculator Mechanical-20 Inch by 30 Inch Laminated Poster with Bright Colors and Vivid Imagery-Fits Perfectly in Many Attractive Frames : Office Products

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