Applied Mechanical Arithmetic As Practised On The Controlled Key Comptometer Adding And Calculating Machine
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This work provides a detailed introduction to the Comptometer, an early mechanical calculating machine. It covers its design, operation, and applications, and provides valuable information for anyone interested in the history of computing. This is an essential resource for historians of technology and computing. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and…mehr

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This work provides a detailed introduction to the Comptometer, an early mechanical calculating machine. It covers its design, operation, and applications, and provides valuable information for anyone interested in the history of computing. This is an essential resource for historians of technology and computing. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
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