Catalogue description original documents incl patents, engineering notes, Second World War correspondence,...
This record is held by Institution of Engineering and Technology (IET) Archives
Reference: | NAEST 228 |
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Description: | original documents incl patents, engineering notes, Second World War correspondence, trial results, conference papers and photographs |
Date: | 1912-2015 |
Held by: | Institution of Engineering and Technology (IET) Archives, not available at The National Archives |
Other reference: | See Annual Return 2015 |
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