Vintage Soviet Russian Wood Logarithmic Slide Ruler Calculator USSR 1970

Description

Vintage Soviet Russian Wood Logarithmic Slide Ruler Calculator USSR 1970
Description
Lenght of ruler:
25 cm / 9.84 inches
Material of ruler:
wood and plastic
Manufacturer:
USSR
Condition:
used, as in photos
Date of manufacture:
1970
You can look all details at the original photos. Please contact us and we help you select rulers and send additional photos.
Logarithmic ruler, counting ruler-an analog computing device that allows you to perform several mathematical operations, including multiplication and division of numbers, exponentiation (most often in square and cube), calculation of square and cubic roots, calculation of logarithms, potentiation, calculation of trigonometric and hyperbolic functions, and some other operations.
Before the advent of pocket calculators, this tool served as an indispensable calculation tool for an engineer. The accuracy of the calculations is about 3 significant digits.
100% Genuine Soviet items
30 days returned accepted
Fast handling
Safe and careful packaging
Combined shipping
100% Genuine Soviet items
30 days returned accepted
Fast handling
Safe and careful packaging
Combined shipping
100% Genuine Soviet items
30 days returned accepted
Fast handling
Safe and careful packaging
Combined shipping
Photos
Vintage Soviet Russian Wood Logarithmic Slide Ruler Handle Calculator Ussr 1970
Vintage Soviet Russian Wood Logarithmic Slide Ruler Handle Calculat...
Vintage Soviet Russian Wood Lo...
Vintage Soviet Russian Wood Logarithmic Slide Ruler Handle Calculator Ussr 1970_1
Vintage Soviet Russian Wood Logarithmic Slide Ruler Handle Calculat...
Vintage Soviet Russian Wood Lo...
Vintage Soviet Russian Wood Logarithmic Slide Ruler Handle Calculator Ussr 1970_2
Vintage Soviet Russian Wood Logarithmic Slide Ruler Handle Calculat...
Vintage Soviet Russian Wood Lo...
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Shipping
We ship Worldwide via International Registered Air Mail with tracking number. We pack all our items carefully and securely. Shipping usually takes about 10-14 days for a package to arrive to Europe, 15-30 days to USA, Canada, Asia, Africa, Australia and Japan. We are glad to do combined shipping, please contact us.
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