Circular Slide Rule. Silver plated and blued metal. 1960's. URSS

€ 80,0080.00

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Description

Rare pocket circular mechanical slide rule. URSS. 1960's.

Silver plated and blued metal. Two crowns and white dials.

Black arabic numerals. Red hand. Five scales (division, multiplication, trigonometric functions...).

Working condition. Wear from normal use for its age.

Dimensions: 5 cm diameter, without crowns, and 0,7 cm thickness. Weight: 40 grams.

More information

Antique office collectibles. Technical antiques. Calculators, slide rules and adding machines.

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