Catalogue description papers incl corresp, patents and photographs
This record is held by Institution of Engineering and Technology (IET) Archives
Reference: | NAEST 189 |
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Description: | papers incl corresp, patents and photographs |
Date: | 1929-1982 |
Held by: | Institution of Engineering and Technology (IET) Archives, not available at The National Archives |
Other reference: | See Annual Return 2008 and 2011 |
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