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).
Graph comparing high rate discharge curves for various 40-50HP chassis batteries.
| Identifier | WestWitteringFiles\N\2October1925-December1925\ Scan220 | |
| Date | 30th November 1925 | |
| Title: 40-50HP CHASSIS BATTERIES. CONTINUOUS HIGH RATE DISCHARGE CURVES THROUGH INVARIABLE EXTERNAL RESISTANCE OF .100 OHM. BATTERIES - 149, 150, 151, 157, 163, 164, 169. X-Axis: TIME (MINUTES). Numbers from 0 to 20. Curve Labels (with associated battery number): - FULLER SPARTA D.S.V.12. 85 90 lbs (149, 169) - FULLER SRV-7 (151) - HART G.S.L. II. 102 lbs S.1. (157) - OLDHAM S.A. 102 lbs (163) - OLDHAM 6-V/S-1. 80 lbs. (164) - P & R LTD 118 lbs. (150) Bottom Right Corner: SHEET V.{VIENNA} E.7 / C. 30/11/25 | ||