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).
Routine treatment and testing of a car battery.
| Identifier | ExFiles\Box 41\2\ Scan109 | |
| Date | 10th May 1920 | |
| R.R. 199 (250T) (SD676 19-7-17) MP 180865 X. 3711 10.5.20. ROUTINE TREATMENT OF CAR LIGHTING AND STARTING BATTERIES. FORM A.{Mr Adams} Date:- 10.5.20 Battery under treatment :- Multiple Storage Rated capacity :- 120 ampere-hours. Received charged or uncharged:- Uncharged Date:- X.3711 General remarks :- (1) Terminals. made by us. (2) Filling. O.K. 10.5.20. (3) Standing. (4) First charge. Amperes. from to Hours amp-hours. 6 for 60 hrs, continuously 360. 9.5.20 to 14.5.20. 4 8.30 8.30 12 48 4 8.30 5.30 9 36 2 8.30 8.30 12 24 Total ampere-hours 468 (5) Discharge at 12 amperes 27.5.20 to 10.5 volts. Total hours :- Ampere hours realised :- 117.0 | ||