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 Aviation v 41 n 7 July 1942 p 142, 144-5 and 300)
Plane templets duplicated by etching
Am Mach
American Machinist ; 86 , n 13
1942
5 pages
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Plane templets duplicated by etching
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