Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Blueprint detailing specifications and manufacturing instructions for a mechanical component with ring grooves.

Identifier  ExFiles\Box 173\3\  img021
Date  2nd June 1940 guessed
  
SIDES OF RING GROOVES MUST BE SMOOTH, FLAT, & RUN TRUE WITH SKIRT O.D. - THE BOTTOM OF GROOVES MUST BE SQUARE WITH THE SIDES
.1255 .1265
.125 .126
.1875 .1885
GRIND CHAMFER
SAW - 2 SLOTS BEFORE FINISH GRINDING
BREAK CORNER
3.299 CAM
3.237 GRIND
BREAK CORNER 1/64 MAX. R.{Sir Henry Royce}
3/32
7/64
C 3/32
1/2
29/32
7/8
21/32
1 1/2
  
  


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