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).
Draft note to Mr. Bentley discussing an alternative design for a coupling.

Identifier  Morton\M7\  img006
Date  1st April 1924 guessed
  
Mr Bentley
Coupling:
You will perhaps...
unscrewable without
close fitting key.
There is another type
which might be tried &
would enable you better to
make rough as sketch
Tight enough by bolts for
general use becoming loose
Key for safety.
Grooves on both Jaw-on
ends of bushes. odd number
Easily get that end radial
3 fliers 3 grooves
  
  


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