The Demopædia Encyclopedia on Population is under heavy modernization and maintenance. Outputs could look bizarre, sorry for the temporary inconvenience

Multilingual Demographic Dictionary, second unified edition, English volume

Calculating machine

Multilingual Demographic Dictionary, second unified edition, English vol.
(Redirected from Machine, desk)
Jump to: navigation, search
Calculating machine  (CALCULATING machine)


Purely mechanical processing (220-4) did not involve the use of electronic equipment 1 which has come to replace the earlier tabulating machines 2 or unit record machines 2 and is much more versatile. More...