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).
Battery test data sheet for a curve at 333 and 200 amperes.
| Identifier | ExFiles\Box 164\3\ img039 | |
| Date | 3rd July 1937 | |
| LABORATORY DATE 3 . 7 . 37 BATTERY AT 333 AND 200 AMPERES CURVE SP.{Mr Spinney} GR.{George Ratcliffe} OF ELECTROLYTE 60°F = 1.290 - 1.300 TEMPERATURE OF ELECTROLYTE = 80°F AMPS. 10 CURVE No. R.A. Evans | ||