Williams, Michael R.  1942- <br/><br/>
A history of computing technology / 
Michael R. Williams. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  c1985. 
 - xi, 432 pages. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0133899179 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical instruments--History.<br/>Calculators--History.<br/>Computers--History.