ADDITIONAL PUBLICATIONS AND LINKS
 Fagen, M.D, editor. History of Engineering & Science in the Bell System: National
Service in War & Peace (1925-1975). Bell
Telephone Laboratories, 1978. Chapter
11 (“Command and Control”) of this text, written by Walter MacWilliams and
T.W. Winternitz provides a detailed discussion of the Mark 65 program and
the Transistor Gating Matrix.
 MacWilliams Jr, W.H., “A Transistor Gating Matrix for a
Simulated Warfare Computer”, Bell Laboratories Record, March,
five page article offers his first hand account, with photos, schematics
and concise commentary.
 Irvine, M. M., “Early Digital Computers at Bell Telephone
Laboratories”, IEEE Annals of the History of Computing, July-Sept,
Irvine’s 20 page article is unmatched for documenting the history of Bell
Labs computers, including the Transistor Gating. This is a highly
recommended article for researchers and historians.
Link to the TransistorMuseum.com
PhotoEssay on the TYPE A Point Contact Transistor Photos and commentary on the historic
Type A transistor.