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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).
Questioning the need for a vent pipe on a Hobson's K.S. petrol gauge.

Identifier  ExFiles\Box 44\2\  Scan088
Date  27th October 1927
  
HS.{Lord Ernest Hives - Chair} FROM DA.{Bernard Day - Chassis Design}

ORIGINAL
X4038

DA{Bernard Day - Chassis Design}3/M27.10.27.

HOBSON'S K.S. PETROL GAUGE. X4038

We are putting this on EAC. 14.

We wonder whether the vent pipe which they say is there merely as a precaution is necessary in our case, because our tank is so very well ventilated.

Would you like to test a gauge with this vent stopped up. It is obvious that if we could avoid it it would save us a rather ugly and clumsy pipe running across outside the tank.

DA.{Bernard Day - Chassis Design}
  
  


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