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).
Design drawing for a piston, showing dimensions and valve timing information.

Identifier  ExFiles\Box 170\2\  img027
Date  2nd April 1917
  
1250J - Piston
9H/part
60-140-150-200-220
DG64
Inl. Valve and part ths
40° Retard Timing
640 M
2/4/17
Exh Valve
Piston
Opens
50
60
2-019
A
7
  
  


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