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Home . Period items . Pencil sharpeners and adding machines
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Circular Slide Rule. Wood. 1930's. Germany. K. Emil Tröger. MylauCircular Slide Rule. Wood. 1930's. Germany. K. Emil Tröger. MylauCircular Slide Rule. Wood. 1930's. Germany. K. Emil Tröger. MylauCircular Slide Rule. Wood. 1930's. Germany. K. Emil Tröger. MylauCircular Slide Rule. Wood. 1930's. Germany. K. Emil Tröger. MylauCircular Slide Rule. Wood. 1930's. Germany. K. Emil Tröger. MylauCircular Slide Rule. Wood. 1930's. Germany. K. Emil Tröger. Mylau

Circular Slide Rule. Wood. 1930's. Germany. K. Emil Tröger. Mylau

€ 63,00//€ 70,0063.00
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Description
Rare circular slide rule. Germany (Mylau). 1930's. 
 
 K. Emil Tröger. Wood and lacquered celluloid. 
 
Two scales (yellow and orange). Black arabic numerals. 
 
Operations (division, multiplication, logarithms, trigonometric functions...).
 
Base in the back. German instructions. Rotating central scale. D.R.G.M. Stamp.
More information
Fine condition. Work without problems. Wear normal use for its age. 
 
Dimensions: 14,5 cm diameter and 1,5 cm hight. Weight: 91 grams.
 
Antique office collectibles. Technical antiques. Calculators, slide rules and adding machines.
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