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).
Instruction sheet comparing the cold starting performance of a Nickel-Iron battery with a standard Chloride battery.
| Identifier | ExFiles\Box 50\2\ Scan090 | |
| Date | 21th March 1921 | |
| RR. 300 (120B) (SF 349 24-1-19) MP. 200552 X 4298 95189 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: S.T.C. Order No.: Re: X 3717 Customer's No.: F.D. 63. Ni. Fe. Battery. X. 4298 This battery at present fitted to No 1 Platfords body Car. turns the engine when in a normally cold condition at- 60 R.P.M. A standard 6BXE5 Chloride turns the same engine in the same condition at- 80 R.P.M. Signed This Sheet must be filed on completion of the work. | ||