Mechanical Arithmetic: Or the History of the Counting Machine (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Mechanical Arithmetic: Or the History of the Counting Machine

This lecture by the well-known inventor and manufacturer of the famous calculating machine known to all 'american bookkeepers and office men -as the Comptometer, will be appreciated by all business men and students of Business who realize the wonderful strides made in the last quarter of a century in the mechanical aids to efficiency in the accounting departments of commercial life.

Mr. D. E. Felt stands high on the roll of successful Amer ican inventors, and, unlike so many of them, he possesses a well-developed business instinct that has enabled him to reap the due reward of his inventive genius. His standing as an inventor is recognized in Europe as well as in the United States, and during the visits to the European museums to which he refers in his lecture he was signally honored by being permitted to make close examination and tests of the historic calculating machines preserved in those institutions; so that he speaks with unusual authority on this interesting subject of the development of Mechanical Arithmetic from the earliest times of which records exist.

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