English

Original-Odhner - Directions for the use of calculating machines

Directions for the use of calculating machines Gilbert Wood (A/M) Ltd. Original-Odhner 1948? 94 page book (+62 blank pages) 225mm × 158mm × 7mm This book is an English manual for the Original-Odhner calculators. It was published by Gilbert Wood (A/M) Ltd. who were the British distributors for Odhner. There is a brief explanation of the pinwheel machine on the inside covers, while the rest of the pages each contain a worked example from many different kinds of calculations, from simple addition to area calculations and handling British currency. There is no copyright date, but the address on the cover dates this edition to no earlier than 1947.

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