1944 The Polyphase Slide Rule No. N4053 Self-Teaching Manual by Breckenridge
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Product details
| Management number | 42437707 | Release Date | 2026/01/21 | List Price | $17.40 | Model Number | 42437707 | ||
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1540. 1944 The Polyphase Slide Rule No. N4053 Self-Teaching Manual by Breckenridge. There is discoloration on the covers and on some pages. Doesn’t affect use of the book. Overall in good condition. Always consider offers.
The product is an original 1944 Keuffel & Esser Polyphase Slide Rule No N4053 with a manual. This 1944 edition of “The Polyphase Slide Rule No. N4053” by Breckenridge is a self-teaching manual designed to simplify the use of slide rules for engineering and mathematical calculations. A rare and valuable resource for collectors, engineers, and math enthusiasts, this manual provides historical insight into mid-20th-century technical tools and education.
| Category | Books > Reference Books > Educational & Instructional Books |
|---|---|
| Size | N/A |
| Brand | None |
| Condition | Good |
Educational & Instructional Books
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