Ropp's Commercial Calculator commercial calculator, comprehensive system
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Ropp's Commercial Calculator  commercial calculator, comprehensive system Ropp's Commercial Calculator  commercial calculator, comprehensive system

Ropp's commercial calculator

Item Number: A1057


Improved ready rekoner in shortcut arithmetic consisting of a comprehensive system of commercial tables, covering a multitude of subjects for the use of mechanics, merchants, bankers, armors and dealers in all kinds of commodities. Copyright 1924. 192 pages. Like new condition.

PERIOD: 1924

ORIGIN: United States

SIZE: 4"x7"


PRICE $ 150

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