Model Engineer Index 1898 to Feb 2025

Year 1954
Date 08-Jul
Volume 111
Issue 2,772
Page 32
Category General
Part
Title "Sam" - A Simple Adding Machine
Author J.Newbert
Notes General construction and working, Veeder counter assembly, Sprockets and shafts, reset mechanism, chain guide and tension plates, counting plate and final adjustmant, "Sam" remembers, base and cover, materials required