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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).
Graph showing air consumption versus petrol delivery for an improved model of a Claudel-Hobson air-driven petrol pump.

Identifier  ExFiles\Box 61\3\  scan0331
Date  24th March 1932
  
CLAUDEL-HOBSON AIR DRIVEN PETROL PUMP
(IMPROVED MODEL)
SHOWING
AIR CONSUMPTION AGAINST PETROL DELIVERY
Y-Axis: AIR CONSUMPTION. CUBIC FEET OF FREE AIR PER MINUTE.
X-Axis: PETROL FLOW (PINTS PER HOUR)
On Graph: AIR SUPPLY PRESSURE, 40 LBS / □''
Reference/Date: H.O / 24-3-32
  
  


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