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} | ||