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 showing the volt-speed curves of various ignition coils under specific test conditions.

Identifier  ExFiles\Box 163\7\  img248
Date  10th December 1934
  
CONTACTS CLOSED
DELCO-REMY ULTRA HIGH SPEED COIL
R.R. EXPL. HIGH SPEED COIL & BALLAST
CONTACT VIBRATING
R.R. STANDARD COIL & BALLAST
VOLT-SPEED CURVES OF IGNITION COILS
R.R. DOUBLE BREAKER DISTRIBUTOR
.75 MAKE RATIO. 12 VOLTS SUPPLY
DB.{Donald Bastow - Suspensions}358 CAM. 13 OZ.S SPRING PRESSURE
O.C. SECONDARY VOLTAGE
DISTRIBUTOR SPEED (R.P.M.)
SECONDARY OPEN-CIRCUITED
R.M.S / 10/12/34
  
  


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