Vintage Convertisor Slide Rule Wheel - Anglo-Metric Corporation
RARE & HARD TO FIND
Vintage Slide Rule "CONVERTISOR" Wheel from the 1940's.
This "CONVERTISOR" is a new calculator performing all the conversions of measurements from distance, liquid fuels to weight and more. It seems to do approximately 60 different conversions of measurements, multiplications, and divisions. We really appreciate the old design details of these precise gadgets that people used to use in their daily lives to figure out mathematical formulas and percentages before there ever were any computers. Perfect for someone who collects unique vintage calculators.
YEAR: ©1943 - 1944
SIZE: 5.75" x 5.75"
CONDITION: Very Good
New York City. U.S.A.