Course Notes on Operating a Comptometer

Made:
1920-1929
maker:
Orton, Ethel

Notebooks from comptometer training school, Felt & Tarrant table of decimal equivalents and sheet conversion table.

Related people

Details

Identifier:
YA1999.9
Subject:
Calculating and Computing Equipment
Access:
Access is given in accordance with the Museum of Science and Industry's access policy. Material from this collection is available to researchers through the Museum's Archive Study Area.