Vintage Keuffel & Esser (K&E) 4081-5 Slide Rule 20-inch Mahogany hotsell Copyright 1947
Vintage Keuffel & Esser (K&E) 4081-5 Slide Rule 20-inch Mahogany hotsell Copyright 1947, Keuffel & Esser (K&E) 4081-5 Log Log Decitrig Duplex 20-inch Mahogany Slide RuleCopyright 1947Bottom of leather case has slitxSlide rule.
Product code: Vintage Keuffel & Esser (K&E) 4081-5 Slide Rule 20-inch Mahogany hotsell Copyright 1947
Keuffel & Esser (K&E) 4081-5 Log Log Decitrig Duplex 20-inch Mahogany Slide Rule Copyright 1947 Bottom of leather case has hotsell slitx Slide rule slider has chips (see photos) Booklet has cracked slit at the foldef back cover Box has cracks and one end of box is missing. Metal ends are slightly tarnished with age.
Keuffel & Esser (K&E) 4081-5 Log Log Decitrig Duplex 20-inch Mahogany Slide Rule Copyright 1947 Bottom of leather case has hotsell slitx Slide rule slider has chips (see photos) Booklet has cracked slit at the foldef back cover Box has cracks and one end of box is missing. Metal ends are slightly tarnished with age.