Comptometer

/ kɒmpˈtɒmɪtə /

noun

1. a high-speed calculating machine: superseded by electronic calculators

Example Sentences

They do not even attempt to train salesmen and saleswomen, index and statistical clerks, 317 comptometer operators, etc.

From Project Gutenberg

In the morning we were taken to the audit department where each bundle was summed up in turn by comptometer operators.

From Project Gutenberg