First working transistor, 1947. Replica.

UNITED KINGDOM - NOVEMBER 15: First working transistor, 1947. Replica. First working transistor, 1947. Replica. This is a replica of the first working transistor invented by John Bardeen, Walter Brattain and William Shockley at the Bell Laboratories. They discovered that by placing two contacts close together on the surface of a crystal of geranium - through which an electric current was flowing - a device which acted as an amplifier was produced. It is about four inches (10cm) high and resembles the 'cat's whisker' detector of earlier radio sets. (Photo by Science & Society Picture Library/SSPL/Getty Images)
UNITED KINGDOM - NOVEMBER 15: First working transistor, 1947. Replica. First working transistor, 1947. Replica. This is a replica of the first working transistor invented by John Bardeen, Walter Brattain and William Shockley at the Bell Laboratories. They discovered that by placing two contacts close together on the surface of a crystal of geranium - through which an electric current was flowing - a device which acted as an amplifier was produced. It is about four inches (10cm) high and resembles the 'cat's whisker' detector of earlier radio sets. (Photo by Science & Society Picture Library/SSPL/Getty Images)
First working transistor, 1947. Replica.
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Credit:
Science & Society Picture Library / Contributor
Editorial #:
102729138
Collection:
SSPL
Date created:
15 November, 2009
Upload date:
Licence type:
Rights-managed
Release info:
Not released. More information
Source:
SSPL
Object name:
10323407
Max file size:
3400 x 4758 px (28.79 x 40.28 cm) - 300 dpi - 4 MB