| Reference Number: Avaluer:4612378 | Featured Refinements: K&E Slide Rule |
Vintage K&e Keuffel & Esser Co. Slide Rule Wood With Polyphase N4053 - 3 With Mag
Vintage K&e Keuffel & Esser Co Slide Rule Load Adjuster Leather
Vintage K&e Keuffel & Esser Co. N. Y. Slide Rule W/ Leather Case
Vintage K&e Keuffel & Esser Co. Ny Slide Rule Calculator 440554 Leather Case
Vintage 1947 K&e Keuffel & Esser Co Slide Rule Pair
Vintage K & E (keuffel & Esser Co. ) Plastic Slide Rule 68 1256 (old 4181 - 3)
Vintage K&e Keuffel & Esser Co. N. Y. 4081 - 3 Slide Rule W/ Leather Case
Vintage K & E Keuffel & Esser Co Beginner ' S Slide Rule
Stanley Great Turnstile London England Fuller Calculator Spiral Slide Rule
Stanley Great Turnstile London England Fuller Calculator Spiral Slide Rule
Retro Calculator: Vintage Charpentier Calculimetre Multidisc Circular Slide Rule
The Sheppard Duodecimal Cubing Slide Rule By W. F. Stanley
Verlag Chemie Faber Castell Slide Rule. Rechenschieber. Rare.
Rare Calculimetre G. Charpentier Brevete S. G. D. G Circa 1882 Circular Slide Rule
Rrrrare Circular Slide Rule Calculimetre Charpentier Type 2 With Leather Pouch
Vintage Boiler Efficiency Calculator Gas Slide Rule Graphic Calculator Co