J. Keith
of 27, Farringdon Avenue, London EC
The address is the same as that of James Keith and Blackman Co, so presumably this is James Keith
1919 Patent on blow-pipes for use with high pressure gas
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of 27, Farringdon Avenue, London EC
The address is the same as that of James Keith and Blackman Co, so presumably this is James Keith
1919 Patent on blow-pipes for use with high pressure gas
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