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 of battery discharge curves under continuous high rate discharge with a constant circuit resistance.
| Identifier | WestWitteringFiles\H\March1922\ Scan34 | |
| Date | 13th February 1922 guessed | |
| X664 BATTERY CURVES CONTINUOUS HIGH RATE DISCHARGE CONSTANT CIRCUIT RESISTANCE -100w BATTERIES: 70, 72, 81, 86 AMPERES OR TEN TIMES TERMINAL VOLTS TIME (MINUTES) CAV WILLARD 12XR2/2 66 1/2 lbs CHLORIDE 6XHR3#1 61 lbs P+R HDE9 68 lbs P+R 5DW7 65 lbs (86) (72) (81) (70) SHEET N | ||