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 the probable manufacturing operations for a 'Delco' Damper Piston.

Identifier  ExFiles\Box 28\1\  Scan279
Date  15th October 1931
  
OPERATIONS:-
1. TURN DIA FINISHED SIZE AND FACE END.
2. MILL ALL FLAT FACES.
3. DRILL ALL HOLES.
4. COUNTERBORE.
5. TAP - SPRING SCREW HOLES (ONE HALF PISTON ONLY)

'DELCO' DAMPER PISTON.
PROBABLE OPERATIONS FOR MANUFACTURE.

.095
.375

15 OCT 31
DERBY.
  
  


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