Description

This is a Adding Machine and a Pencil box. It Adds & Subtracts. Made by Sterling the same company that made Slide Rules. Patented in UK & USA in 1957 this was probably made in the late 1950's or early 60's.
It has four dials. Ones or units, tens. Hundreds and Thousands. You use the stylus pick to rotate the wheels and the answer is shown in the square window above each dial. It's 7 3/4" long by 2 1/4" and 3/4" deep It can add & subtract. This Adding Machine Pencil box is in great condition! It includes the stylus pick, Instructions, 6" ruler and pencil.