
Metrovick 950
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The Metrovick 950 was the first commercial transistor computer, built from 1956 onwards by British company Metropolitan-Vickers to the extent of seven machines. The 950 appears to have been Metrovick's first and last commercial computer offering. The only relevant experience in Metropolitan-Vickers was that in the early 1930's they had manufactured a mechanical calculating machine in the form of the differential analyser in conjunction with Douglas Hartree of Manchester University. In November 1953 Richard Grimsdale and Douglas Webb of Manchester University first demonstrated their prototype t...
The Metrovick 950 was the first commercial transistor computer, built from 1956 onwards by British company Metropolitan-Vickers to the extent of seven machines. The 950 appears to have been Metrovick's first and last commercial computer offering. The only relevant experience in Metropolitan-Vickers was that in the early 1930's they had manufactured a mechanical calculating machine in the form of the differential analyser in conjunction with Douglas Hartree of Manchester University. In November 1953 Richard Grimsdale and Douglas Webb of Manchester University first demonstrated their prototype transistorized computer using 92 point-contact transistors and 550 diodes in order to test the suitability of transistors in improving the reliability of the Manchester Mark 1 computer. This machine was similar to the Mark I, except that it did not include Williams tubes and used only the magnetic drum for main memory