- ReferenceAQ4/4/8
- TitleGearing Project Files Originally found in wooden boxes marked 'Gearing' these files have been kept for the information they contain relating to the problem of noise and, in the case of files 1 and 2, the purchase of new equipment and restrictions on imports. Each file had a number in blue pencil on the cover and the files have been retained in this order.
- Date free text1931-1939
- Production dateFrom: 1931 To: 1939
- Level of descriptionfile
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