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).
Current taken by side lamps and a recommendation for a specific low wattage bulb.
| Identifier | ExFiles\Box 71\2\ scan0033 | |
| Date | 4th May 1928 | |
| W/S. C. R.{Sir Henry Royce} X8800 EFC2/T4.5.28. RE CURRENT TAKEN BY SIDE LAMPS. X1369 You will have noted that Mr. Royce has expressed the desire on one or two occasions that we should provide, and/or recommend customers to use, side lamp bulbs taking as small a current as possible. We suggest that this should be of no higher rating than 6 watts., and in particular might be - No. BAS.10. of 12/14 Volts, 6 watts, .5 ampere, dia. of bulb 23 mm. The Catalogue No. as obtained from The General Electric Company is S.7168. EFC. | ||