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).
Request to mark the maximum speeds in each gear on a Bentley speedometer dial.
| Identifier | ExFiles\Box 165\2\ img088 | |
| Date | 15th June 1937 | |
| To D/RR from HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel} 6051 Mr. F.C. G/RD. Rm{William Robotham - Chief Engineer}/Wst. HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel}6/BA.5.6.37. 0/54107. Bentley & Speedometer. Will you kindly forward to the A.T. Speedometer Co. the Bentley Speedometer (No.R.419) which we hand you herewith, with the request that they draw on the dial a radial line in red, at each of the speeds indicated below and label them respectively. 1st 2nd 3rd, and Top. Top 3rd 2nd 1st 95.5 75.6 54.5 34.5 *These road speeds in the corresponding gear - occur at the maximum engine revs of 4,500 r.p.m. and will therefore show the driver ( without a rev counter) when he has reached maximum engine speed. Will Roy{Sir Henry Royce}, please place an official order for this work to be carried out. 15/6/37 HPS{Horace Percy Smith - Experimental Factory Mgr}/WSC.{W. S. Cassel} | ||