Qualitron Universal Conversion Calculator 1975 Model 1438 *missing Battery Lid Health Sent by President Thomas Jefferson

Sent by President Thomas Jefferson to find the fabled Northwest Passage

and Lionel just wants peace and quiet

and Tag Mode

and his writing

Qualitron Universal Conversion Calculator 1975 Model 1438 *missing Battery Lid Health Sent by President Thomas JeffersonQualitron Universal Conversion Calculator Vintage Model 1438. In working order. Functions: ASMD, conversion factors Technology: MOS LSI (Rockwell A4004PC) Display: 8 digits, vacuum fluorescent module Dimensions: 75W x 145D x 35H, weight 250g. Manufactured: Qualitron, Taiwan, 1975 The Qualitron 1438 is a basic four function calculator with a range of pre programmed conversion factors for distance, mass, volume, and temperature. Two slider switches