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 drilling instructions and dimensional callouts for a component.

Identifier  ExFiles\Box 173\3\  img031
Date  16th March 1934 guessed
  
5/32 DRILL - 2 HOLES
BEFORE SAWING

5/32 DRILL - 2 HOLES
THRU EACH BOSS

20°
35°
7/32
3/8
1/2
25/32
9/16
1 1/8
7/16
41/64
1 29/32

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