Vintage 1940s K&E Slide Rule 3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO
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Product details
| Management number | 23517347 | Release Date | 2025/11/18 | List Price | $30.00 | Model Number | 23517347 | ||
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Vintage 1940s K&E Slide Rule 3 LOG LOG DUPLEX DECITRIG KEUFFEL & KESSER CO
A mechanical analog computer used for various calculations before the advent of electronic calculators.
Slide rules are primarily used for multiplication and division, as well as functions like roots, logarithms, and trigonometry.
They consist of a fixed outer body and a central sliding strip, both with logarithmic scales.
The device works by adding and subtracting lengths on the scales to perform calculations.
From the late 19th century until about 1970, slide rules were the main calculating tool for engineers and scientists
Original green box included with leather case. See photos for more info and complete condition.
DSBS
| Category | Home > Home decor > Home decor accents |
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| Size | N/A |
| Brand | None |
| Condition | Good |
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