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).
Complaint about an inaccurate and inconsistent revolution counter obtained from The A.T. Speedometer Co.
| Identifier | ExFiles\Box 50\4\ Scan105 | |
| Date | 1st March 1927 | |
| To Wd {Mr Wood / Mr Whitehead} , from Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} X4308 Hs {Lord Ernest Hives - Chair} /Rn {Mr Robinson} 4/LG3.3.27. A. {Mr Adams} T. SPEEDOMETER. We are returning the revolution counter which we recently obtained from The A.T. Speedometer Co. because it is incorrect. Its error is as follows :- True Eng. Revs. Rev. counter reads. % loss. 600 500 20% 1250 1000 25% 1840 1500 18½% 2500 2000 25% 2800 2250 19½% We should be obliged if you would take this matter up with the A.T. people as the instrument does not appear to be either consistent or reasonably accurate. Hs {Lord Ernest Hives - Chair} /Rn. {Mr Robinson} | ||