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).
The routine treatment and testing of car lighting and starting batteries.
| Identifier | ExFiles\Box 48\3\ Scan321 | |
| Date | 13th May 1923 | |
| X 4218 ROUTINE TREATMENT OF CAR LIGHTING & STARTING BATTERIES. FORM A. {Mr Adams} Date:- 13-5-23 Battery under treatment:- 7ers Rated capacity:- 45 ampere hours. Received charged or uncharged:- uncharged X.4218 General remarks :- (1) Terminals. Heavy lugs for sweating in of cable. (2) Filling. OK (3) Standing. — (4) First charge. Amperes. from to hours amp-hours. 2.5 3.30 5.30 2.0 5.0 2.0 5.30 8.0 14.5 29.0 2.5 8.0 5.30 9.5 23.75 2.0 5.30 8.0 14.5 29.0 2.5 8.0 5.30 9.5 23.75 2.0 5.30 8.0 14.5 29.0 2.5 8.0 5.30 9.5 19.0 2.0 5.30 8.0 14.5 29.0 2.0 10.0 12.0 2.0 4.0 Total amp-hours 244.25 (5) Discharge at 4.5 amperes to 10.5 volts. Total hours :- 9.75 Ampere hours realised:- 43.9 [Right Column Text] Date:- 5-11-23 over night 6-11-23 over night 7-11-23 over night 8-11-23 over night 9-11-23 over night 10-11-23 13-11-23 14-11-23 | ||