Copy of a letter of enquiry dated 22/11/1949 from Martins to the Royal Commission on Awards to Inventors, asking whether he is entitled to an award under the wartime inventors scheme for a semi automatic method he developed for the manufacture of glass jewel instrument bearings which were used by Salford Electrical Instruments Ltd. and Metropolitan Vickers for instruments for aircrafts. The patent specification for the bearing jewels have been copied by the Archives Department, Manchester Central Library.
1949
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Negative Sheet Number 1/K45/37
Copy of a letter of enquiry dated 22/11/1949 from Martins to the Royal Commission on Awards to Inventors, asking whether he is entitled to an award under the wartime inventors scheme for a semi automatic method he developed for the manufacture of glass jewel instrument bearings which were used by Salford Electrical Instruments Ltd. and Metropolitan Vickers for instruments for aircrafts. The patent specification for the bearing jewels have been copied by the Archives Department, Manchester Central Library.
1949
GB124.DPA/1443/86
Item from Fonds: Documentary Photographic Archive (GB124.DPA)
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English
7487851