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IBM's Early Computers. Charles Bashe, Lyle Johnson, John Palmer, Emerson Pugh, MIT Series in the History of Computing.

IBM's Early Computers.

MIT Press, Cambridge MA 1986 ISBN 0262022257; 716 pages, photographs, Index, extensive Notes section.
Condition: Very Good hardcover in Very Good dustjacket and clear jacket protector, jacket shows some wear at edges and spine ends; binding is sound, pages clean and unmarked.
Price: $25.00
Item no. CG1024
Item Description
Third in the MIT Series in the History of Computing, describes the technical experiences of IBM from the beginning of the computer era, including the challenges that IBM's research & development laboratories faced, the technological paths they chose, and how those choices affected the company & the computer industry from initial experiments with electronics in digital machines to the threshold of the System/360 era.

PUNCHED CARDS & PLUGWIRES - the Hollerith era; IBM punched-card machine development; steps toward fully automatic digital calculation;

ELECTRONIC CALCULATION - Flip-flops & counters; the electronic multiplier; the SSEC a super calculator; the Type 604, an electronic workhorse; the Card-Programmed Electronic Calculator;

A MACHINE FOR ORDINARY BUSINESSES - the choice of drum storage; the drum-augmented 604; the influence of mathematical computation; the Magnetic Drum Calculator; the squeeze on resources; the president's decision;

THE TAPE PROCESSING MACHINE - the CRT memory project; the Data Processing Machine; TPM engineering; a time for waiting;

FIRST-GENERATION IBM COMPUTERS - the need for fast computers; planning for the Defense Calculator; engineering considerations; the Type 701 computer; the Type 650 Magnetic Drum Calculator; the Type 702 Electronic Data Processing Machine; later vacuum tube computers;

MAGNETIC TAPE - magnetic tape studies in IBM; magnetic recording in Poughkeepsie; Tape-handling devices; the need for better tape; first-generation tape machines; more & faster; excursions from the beaten path; FERRITE-CORE MEMORIES - getting started in cores; Project SAGE; commercial memories; pushing the limits; fabrication; patents & innovations;

DISK STORAGE - a separate group; the source recording project; disk-array feasibility & early development; record addressing & RAMAC; slider developmt in San Jose; IBM's first slider product; Collateral storage developmt; the removable disk pack;

PROGRAMMING - the subroutine library; two IBM assembly programs; the Speedcoding language & interpreter; the FORTRAN language & compiler; programming as a marketing aid; SHARE a user organization; IBM's organization for programming Early experience with operating systems; a proliferation of machine types & programs; a conference on programming;

TRANSISTORS - the first transistors at IBM; entering the solid-state era; point-contact to juntion transistors; drift transistors; current-switch circuits; devel & manufactring; Standard Modular System;

PROJECT STRETCH 'we must take a giant step'; Project Stretch formulation; system planning; logical design & engineering; the Type 7090, first Stretch-technology product. The 7030 program. Stretch delivery & assessment. Epilogue.

BROADENING THE BASE - electronics & accounting machines; the Type 1401 data processing system. Other 1400 series computers; the Report Program Generator; high-speed printers; the chain and train; Document reading machines; small scientific computers; process control; Teleprocessing and the SABRE system;

RESEARCH - the Watson Laboratory; research in Poughkeepsie; separating research from development; basic research in Zurich; restructuring the San Jose laboratory; preparing for the new research center; exciting projects; growing problems;

THE ARCHITECTURAL CHALLENGE - adjusting to new technology; the changing environment; coping with growth; product diversity; architectural considerations; commitment to change; Appendices - Sequence Control in the SSEC; TPM Organization & Operation; Havens Delay Unit Circuit Operation; 701 System Design Summary; References & extensive Notes; Index.