NCR Electric Calculator (1940s)
|
|
|
|
Power cord prongs indicate that this is not a standard U.S. 115 volt machine. This machine, in fact, came from South America.
It required 210 voltage.
History of Computing
An Encyclopedia of the People and Machines that Made Computer History
Copyright © 1982-2000, Lexikon Services "History of Computing" ISBN 0-944601-78-2
