2 Vintage Slide Rule with 2 Slide Rule Books Pickett and a K&E
Product details
| Management number | 61125947 | Release Date | 2026/02/09 | List Price | US$78.00 | Model Number | 61125947 | ||
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brown leather case vintage Keuffel & Esser (K&E) slide rule with a leather case.
Keuffel & Esser was a prominent American manufacturer of drafting and surveying equipment.
The slide rule appears to be a Log Log Duplex model, with scales visible such as LL3, LL2, and LL1.
It was an essential tool for engineers and mathematicians for complex calculations before the advent of electronic calculators.
Pickett Slide rule vintage yellow "eye saver" Pickett metal slide rule, likely a model N4-ES or N902-ES, in its original black leather case.
Manufacturer: Pickett, an American company.
Material: Made of aluminum.
"ES" designation: Stands for "easy sight," indicating the yellow background designed for better visibility.
Historical significance: Slide rules were essential engineering and mathematical tools before electronic calculators became widespread.
| Category | Toys & Collectibles > Collectibles & Hobbies > Other |
|---|---|
| Size | N/A |
| Brand | None |
| Condition | Good |
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