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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).
Request for a second motor supporting cradle, bolts, and a piece of wrought steel with technical sketches.

Identifier  ExFiles\Box 34\4\  Scan204
Date  16th September 1930
  
HS.{Lord Ernest Hives - Chair} FROM R.{Sir Henry Royce}
RECEIVED SEP 17 1930
R1/M16.9.30.

Will you please supply me (with the second motor supporting cradle), with 4 bolts 3/8" - square or hexagon heads - 10.5" from under head to end, with about 2" square or round plates .1" to .15" thick to go under the head, with nuts and washer, preferably standard fine thread, but coarse will do.

[Drawing of a bolt with dimensions]
10"
1" TO 1.5" OF THREAD

Also 1 piece of common wrought steel 3.5" dia., .5" thick, centre tapped for standard sparking plug, and two 5/16th. clear holes 2.250" apart.

[Drawing of a circular plate with holes and dimensions]
HOLES ABOUT .33"
ABOUT 3.5"
2.250"

[Drawing of a component with a sparking plug]
SPARKING PLUG
ROUGH FINS TO IMPROVE AIR COOLING
ENGINE
R.{Sir Henry Royce}
  
  


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