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).
Changing indicator discs for the warning lights on the 25/30 HP Bentley and Phantom III instrument boards.
| Identifier | ExFiles\Box 168a\1\ img040 | |
| Date | 24th April 1936 | |
| Sl Hs{Lord Ernest Hives - Chair}/Wst. 16135 BY/RD/W.24.4.36. 25/30 H.P. Bentley and Phantom III. Instrument Board. Section 7190. In order to make the warning lights more conspicuous, will you please arrange to have the indicator discs changed over to these new ones which differ from the present ones inasmuch as they are made from transparent paper with the letters printed on in black. We hand you herewith blue prints of :- D.75536.Indicator Disc.Pet.Wng.Light. D.75537.Indicator Disc.Ign.Wng.Light. Will you please order the necessary quantities and have them fitted to instrument boards. BY/RD. | ||