Slide Rule Vintage USA Armed Forces Course Logarithms Polyphase Manual K&E Lot
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Slide Rule Vintage USA Armed Forces Course Logarithms Polyphase Manual K&E Lot:
$18.95
Three, vintage, slide rule related items:
- A COURSE IN THE SLIDE RULE AND LOGARITHMS, US Armed Forces Institute, 1943, 108 page booklet, illustrated
- THE POLYPHASE SLIDE RULE NO. N4053, A SELF TEACHING MANUAL, Keuffel & Esser Company, 1944, illustrated 83 pages
- Slide Rule, Made in USA, light weight wood, the center part has scales on both sides, the back side has measurements and equivalents.