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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).
Proposal to change from the standard Yale bonnet lock to an R's Bar type lock on the 40/50 HP chassis.

Identifier  ExFiles\Box 25\1\  Scan118
Date  9th December 1931
  
Copy.
SG.{Arthur F. Sidgreaves - MD}
C. HS{Lord Ernest Hives - Chair}
X1140
BY/Cgh.{W Clough} 8/G.9.12.31.
X1140
X7260

40/50 HP. BONNET LOCKS.

The Experimental Department consider that we should fit R's Bar type Lock in place of the present standard Yale on 40/50-HP. chassis with the diamond form of engine mounting.

We have about 120 locks of the Yale type in stock, but these could be used on 20/25.

Locks are, of course, only fitted when specially ordered, and paid for by customers.

Will you please let us know if you agree to the necessary tools &c. being made, and a quantity of the new type locks produced for 40/50 HP. chassis.

BY/Cgh.{W Clough}
  
  


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