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).
Test log for a Delco-Remy distributor complete with ballast resistance and automatic advance.
| Identifier | ExFiles\Box 163\7\ img117 | |
| Date | 5th October 1926 | |
| X4284 ELECTRICAL EXPERIMENTAL MIXED REPORTS Model 5249 X. No:- 4284 Delco-Remy distributor complete with Ballast resistance and automatic advance Date on | Location | Date off | REMARKS | Miles reading start | Miles reading finish | Miles covered | Total Miles 26-10-25 | lab. | - | Received from makers Condenser & ballast removed and tested. For preliminary report see WB{Mr Brazier/Mr Bell}51 | | | | 29-3-26 | | | Completed 10,000 miles bench test with Remy (newly closed iron circuit) coil. OK. See WB{Mr Brazier/Mr Bell}80 | | | 10000 | 10000 12-6-26 | " | | Tested for a further 10000 mls with our finer primary coil No.G.P.4. and ballast resistance. | | | 10000 | 20000 7-8-26 | " | | Condition of points V.{VIENNA} Good. Tested another 10000 mls with Std coil and ballast. | | | 10000 | 30000 1-9-26 | " | | Tested another 10000 miles with finer primary coil and ballast. (RR condenser used for these tests) | | | 10000 | 40000 5-10-26 | " | | Tested for 10000 mls with Reynold Tungsten fitted to Remy lever and points with Std coil and ballast. | | | 10000 | 50000 | ||