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).
Reporting the failure of Mazda half-watt lamps at the West Wittering offices.
| Identifier | ExFiles\Box 34\4\ Scan106 | |
| Date | 10th December 1919 | |
| X 2048 To CK.{Mr Clark} from E.{Mr Elliott - Chief Engineer} Copy to CJ. " " BN.{W.O. Bentley / Mr Barrington} E2/G10.12.19. X.1114. - RE HALF WATT LAMPS. X.2048. X 3362 The "Mazda" half-watt lamps made by the B.T.H. of 12 volts 2 amps. 48 c.p. which we have been using in the offices at West WitteringHenry Royce's home town have not been/success, as they break down after burning a very small fraction of their stated life of 150 hours. I send the foregoing information in accordance with Mr. Royce's direction. E.{Mr Elliott - Chief Engineer} | ||