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Early IBM Computers: Edited Testimony

IP.com Disclosure Number: IPCOM000129368D
Original Publication Date: 1981-Apr-01
Included in the Prior Art Database: 2005-Oct-05

Publishing Venue

Software Patent Institute

Related People

CUTHBERT C. HURD: AUTHOR [+2]

Abstract

This paper describes the principal computers designed by IBM beginning with its first computer, the 701 delivered in 1952, through its first transistorized computer, STRETCH, and its first commercial process- control computer, the 1710 delivered in 1961. The ideas behind some of IBM's methods and decisions are described. Keywords: IBM computers, Defense Calculator, 701, 650, 702, 704, 705, RAMAC, STRETCH, SAGE, 1710 CR Category: 1.2

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THIS DOCUMENT IS AN APPROXIMATE REPRESENTATION OF THE ORIGINAL.

Copyright ©; 1981 by the American Federation of Information Processing Societies, Inc. Used with permission.

Early IBM Computers: Edited Testimony

CUTHBERT C. HURD

(Image Omitted: © 1981 by the American Federation of Information Processing Societies, Inc. Permission to copy without fee all or part of this material is granted provided that the copies are not made or distributed for direct commercial advantage, the HIPS copyright notice and the title of the publication and its date appear, and notice is given that copying is by permission of the American Federation of Information Processing Societies, Inc. To copy otherwise, or to republish, requires specific permission. Author's Address: 332 Westridge Drive, Portola Valley,

CA 94025. Note: A portion of this paper was first presented at the International Research Conference of the History of Computing held at the University of California Los Alamos Scientific Laboratory in June 1976. © 1981 AFIPS 0164-1239/81-020163-182

Early IBM Computers: Edited Testimony

CUTHBERT C. HURD .00/0)

This paper describes the principal computers designed by IBM beginning with its first computer, the 701 delivered in 1952, through its first transistorized computer, STRETCH, and its first commercial process- control computer, the 1710 delivered in 1961. The ideas behind some of IBM's methods and decisions are described. Keywords: IBM computers, Defense Calculator, 701, 650, 702, 704, 705, RAMAC, STRETCH, SAGE, 1710 CR Category: 1.2

Editors' Note: We have not previously published in the Arsenals an unrefereed article that consists solely of one witness's edited trial testimony. We found Cuthbert Hurd's view of early computer developments at IBM so interesting and important, however, that we chose to break with past practice.

Introduction

This paper was edited by Rosamond W. Dana from testimony given in U.S. Federal Court, Southern New York District, in 1979 in the antitrust trial of the U.S. Department of Justice versus IBM. The original written testimony was prepared in a pseudo-courtroom environment with limited access to personal papers, professional journals, or library facilities. Every word was carefully scrutinized by attorneys for both the Department of Justice and IBM. The complete testimony, including the record of cross examination, direct examination, recross, redirect, etc., is in the public record.11

Excursions that would have acknowledged many persons and many other ancillary products at IBM and elsewhere were not encouraged. Neither was it permitted to acknowledge the hundreds of other companies, laboratories, and universities that were heavily engaged in computing by 1962, the end of the time period covered in my testimony.

1 1 The testimony is on pages 86272 to 88274, dated January 3 to February 1, 1979, United States v. IBM Tr.

IEEE Computer Society, Apr 01, 1981 Page 1 IEEE Annals of the History of Computing Volume 3 Numbe...