Typewriter of the type-bar class manufactured by the Yost Typewriter Company. The Model 20 was manufactured between 1912 and 1924, when the company ceased all typewriter production.

This typewriter is a front-strike machine in which each type-bar strikes the front of the platen, allowing the typed characters to be clearly visible to the operator. The typebars operated using the so-called 'grasshopper' movement and were inked directly from a pad against which the typebar heads rested when not in use.

Physical Description

Black painted metal frame with gold lettering and decoration. Cylindrical platen on carriage, identified by engraved name as 'CARRIAGE-A'. 42 typebars in horizontal semicircular basket. Typebars rest on semicircular inking pad. Four-row QWERTY keyboard with white circular keys with black lettering. 42 character keys. 'BACK / SPACE', 'SHIFT / LOCK', and 'SHIFT / KEY' keys to left of keyboard, 'MARGINAL / RELEASE' and 'SHIFT / KEY' keys to right. Shift keys are slightly larger than other keys. Four rectangular keys marked '1', '2', '3' and '4' above centre of keyboard. Spacebar at front of keyboard.

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