Description
Vintage 1945 Allied's Parallel-Resistance & Series-Capacitance Calculator in paper slipcase with instructions by Allied Radio Corp. This old paperboard tool is held together with six metal grommets & has printing on both sides. Using the six windows & slide, you will have "rapid & accurate means of determining the reciprocal of the sum of two reciprocals as expressed by the formula.... Easy to Use..." A single page instruction sheet is included. The model number may be 37 K 360. A mind boggling tool for the really smart, engineer, or collector of old hand-held calculators/slide rules! SIZE: 12 1/2" x 3 1/2" (case is 12 5/8" x 4") CONDITION: Very Good - functional, light discoloration, spots on slipcase; no tears or breaks; flat. Instruction sheet included. FREE SHIPPING, Fast & Safe 1950s http://etsy.me/2cwGbPT AMERICA http://etsy.me/2gsFOY5 BACK TO THE VILLAGE http://etsy.me/2chIGkT Thank you for shopping SaltwaterVillage! Allied's Parallel-Resistance & Series-Capacitance Calculator in Original Sleeve W/Instructions Vintage 1945 Cardboard Chicago Il Usa
