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).
Graph comparing the induction pipe depression of a Lorraine-Dietrich engine against a 20 HP R.R. engine.

Identifier  ExFiles\Box 22\4\  Scan103
Date  21th March 1927
  
6
LORRAINE-DIETRICH ENGINE
DEPRESSION IN INDUCTION PIPE
21-3-27
Y-Axis: DEPRESSION IN INDn. PIPE (INCHES OF MERCURY)
X-Axis: R.P.M. OF ENGINE
Data Line 1: 20 HP R.R.
Data Line 2: LORRAINE.
  
  


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