The first attempts to mechanize the production of numerical tables were remarkable in conception coming at a time when a "computer" was in fact a person rather than a machine. This book is the first to provide a unified picture of the difference engines that were the mechanical predecessors of today's digital computer, to emphasize them as part of the history of numerical tables, and to give equal weight to the technical and social aspects of their creation.Lindgren analyzes the difference engines of Müller and Babbage and the mathematical principles on which they are based, tells the story of how Georg and Edvard Scheutz learned about Babbage's engine, discusses the design and operation of the Scheutzs' machine, and tells why Babbage failed technically and the Scheutzes failed commercially. The often detailed technical descriptions bring to light the inventors' own ways of thinking as work on the engines progressedMichael Lindgren is Curator at the National Museum of Science and Technology in Stockholm.
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Seller: Ammareal, Morangis, France
Hardcover. Condition: Bon. Légères traces d'usure sur la couverture. Edition 1987. Ammareal reverse jusqu'à 15% du prix net de cet article à des organisations caritatives. ENGLISH DESCRIPTION Book Condition: Used, Good. Slight signs of wear on the cover. Edition 1987. Ammareal gives back up to 15% of this item's net price to charity organizations. Seller Inventory # E-535-105
Seller: Peter L. Masi - books, MONTAGUE, MA, U.S.A.
Hardcover. Condition: Used - Very Good. Department of Technology & Social Change, Linkoping University, 1987. Edition 1:1. 416 pages. 97 illustrations. 9.5 x 6.5", paper boards, no dj. ISBN 9178701465. 'To Thomas Parke Hughes from Michael Lindgren, with gratitude, 18th May 1887' on titlepage. Cover rubbed, VG/none. Seller Inventory # 63897