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).
Log sheet recording tests and remarks for tungsten contacts supplied by Tungsten Mfg. Co. and Fansteel Co.
| Identifier | ExFiles\Box 35\6\ scan 088 | |
| Date | 18th August 1921 guessed | |
| X.2894. Ref letter.: S Firm.: Tungsten Mfg. Co. Contacts or rods.: C Description.: Tungsten contacts Fitted to blade & screw by T.M.Co. Date.: 15.8.21. Remarks.: (Marked 2) Expl. 1EX car. With Bosch condenser. Ref letter.: T Firm.: " Contacts or rods.: " Description.: " Date.: 24.5.21. Remarks.: (Marked 2) Running on EP{G. Eric Platford - Chief Quality Engineer}'s test car Returned from EP.{G. Eric Platford - Chief Quality Engineer} Ref letter.: U Firm.: " Contacts or rods.: " Description.: " Date.: 25.2.21. Remarks.: (Marked 2) EP{G. Eric Platford - Chief Quality Engineer}'s cars. Returned from EP.{G. Eric Platford - Chief Quality Engineer} Ref letter.: V Firm.: Fansteel Co. Contacts or rods.: " Description.: Tungsten contacts from Fansteel Co. Fitted by us to blade & screw of R.R.Std.B.Ignition Date.: Remarks.: (Marked 3) Reptd. in Bench A,B,1. Ref letter.: W Firm.: " Contacts or rods.: " Description.: " Date.: Remarks.: Tests. Ref letter.: X Firm.: " Contacts or rods.: " Description.: " Date.: 6.11.21. Remarks.: (Marked 3) 7-CA. Unsatisfactory. Ref letter.: Y Firm.: " Contacts or rods.: " Description.: " Date.: 6.11.21. Remarks.: (Marked 3) Test bench. Car engine. Ref letter.: Z Firm.: " Contacts or rods.: " Description.: " Date.: 25.2.21. Remarks.: (Marked 3) Fitted to school car. Run 3000 miles & more O.K. Failed after 6074 miles. EPS Cars / Retd. new from EP.{G. Eric Platford - Chief Quality Engineer} Ref letter.: AA{D. Abbot-Anderson} Firm.: " Contacts or rods.: " Description.: " Date.: Remarks.: (Marked 3) Handed to Mr. Hall. Ref letter.: AB Firm.: " Contacts or rods.: " Description.: Tungsten contacts Fitted by Fansteel Co. Date.: 19.9.21. Remarks.: (Marked 4) Running with double capacity. Date (cont.): 7.11.21. Remarks (cont.): Reptd. AB.29. Done. | ||