William B. Shockley AutographOfficial First Day Cover `25 Years of Transistors` with handdrawn sketch signed, 6,5 x 3,5 inch, (New York), (10. 07. 1973), signed by William B. Shockley with an added drawing of a transistor in blue ballpoint ink, attractively mounted (removable) for fine display with a photograph, shows William B. Shockley as physicists (altogether 8,25 x 11,75 inch), in very fine condition.
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols