Though purple stripe has been distinguishing mark for naval engineers since 1863, for considerable period they were recognizable from their brother officers by buttons they wore; progress of naval engineers; illustrated description of home of engineering training at Woolwich Dockyard.
Engineers' button
Engineering
Engineering ; 157 , n 4072 ; p 63-65
1944
3 pages
Aufsatz (Zeitschrift)
Englisch
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