Layout templates are being duplicated electrolytically at Northrop Aircraft, Inc, with accuracy, speed and economy; electrically produced duplicate varies by less than 0.0005 in. from original. (See also Am Mach v 86 n 13 June 25 1942 p 676-80)
Plane templets duplicated by etching
Aviation
Aviation ; 41 , n 7
1942
Article (Journal)
English
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Newly developed methods of making airplane templets
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