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).
The testing and suggested improvements for a new A.T. speedometer.
| Identifier | ExFiles\Box 50\4\ Scan099 | |
| Date | 20th December 1926 | |
| Hm {Capt. W. Hallam - Head Repairs} c. to BJ c. to WOF c. to Hs. {Lord Ernest Hives - Chair} 44308 BY {R.W. Bailey - Chief Engineer} /Mtn29/G.20.12.26. Hs {Lord Ernest Hives - Chair} RECEIVED 21 DEC 1926 re A.T. SPEEDOMETERS. -------------------- Referring to your memo Hm {Capt. W. Hallam - Head Repairs} /NHC1/D.18.12.26, we have already received an instrument incorporating the features you refer to, and it/has been submitted to Sales who have approved of it with/the exception that the position of the trip indicator renders it impossible for the 40 and 50 marks to be seen, and they (Sales) are arranging for someone to go to see the A.T. people with some suggestions as to how this can be improved. As there are also certain mechanical alterations on the particular instrument in question, we have sent it to the Experimental Dept. for testing before reporting to the A.T. Co. MY/Mtn. | ||