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).
Simpler design for instrument board lamps due to production difficulties.
| Identifier | ExFiles\Box 61a\3\ scan0181 | |
| Date | 11th January 1936 | |
| RHC.{R. H. Coverley - Production Engineer} [Struck through] WST c. Hs{Lord Ernest Hives - Chair}/Wst. 16116. BY/RDl/W.11.1.36. Sec.7190. Inst.Board Lamps. R.R.Sch.905. All Chassis. Owing to the difficulty in producing parts for Instrument Lamps D.75170 and DB.{Donald Bastow - Suspensions}315, we have produced a simpler design and hand you herewith blue prints of :- D.54794. Contact Warning Light. 3 off. D.54795. Bulb Holder, Inst.Lamp. 6 off. D.54793. Bulb Holder, Warning Light. 3 off. It should be noted that D.54795 can be made from the standard piece D.75170. Would you, therefore, please have made up three Warning Lights and six Instrument Lights, using the above new parts, together with the following standard parts:- Instrument Lamp. Per Lamp. D.75173. Base. 1 off. D.75169. Casing. 1 off. D.75050. Stud. 1 off. D.75171. Washer. 1 off. D.75048. Stop. 1 off. D.75172. Spring. 1 off. K.4447A. Plain Washer. 1 off. K.9005A. Spring Washer. 1 off. K.4305A. Nut. 1 off. Warning Lamp. Per Lamp. DB.{Donald Bastow - Suspensions} 314. Lamp Casing. 1 off. DB.{Donald Bastow - Suspensions} 316. Contact Spring. 1 off. DB.{Donald Bastow - Suspensions} 317. Insert. 1 off. D.50483. Plain Washer. 2 off. D.{John DeLooze - Company Secretary} 1342. Spring Washer. 2 off. D.{John DeLooze - Company Secretary} 1223. Screw. 2 off. One print of R.R.Scheme 905 is also attached. Could you please arrange for these to be made up as quickly as possible to help the production situation. BY/RD. | ||