Download or read book Encyclopedia of 20th-century Technology written by Colin Hempstead and published by . This book was released on 2005 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Comprising 395 essays arranged alphabetically, mostly on individual objects, artifacts, techniques, and products, this is an up-to-date work of reference for all those involved in teaching or researching the history of twentieth-century technology."--Publisher's description.