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 showing drilling instructions and dimensions for a circular component.

Identifier  ExFiles\Box 173\3\  img018
Date  13th March 1934 guessed
  
9/32 DRILL - 2 HOLES
BEFORE SAWING
9/32 DRILL - 2 HOLES
THRU EACH BOSS
Grid Letters Vertical: V, U, T, S, R, Q, P, O, N, M
Grid Letters Horizontal: L, K, J, I, H, G, F, E
Dimensions: 20°, 3/16 R, 7/32, 3/8, 1 1/2, 55°, 61/64, 1 29/32
  
  


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