Catalogue description original documents incl patents, engineering notes, Second World War correspondence,...

Details of NAEST 228

Reference:	NAEST 228
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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