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 detailing the cell composition of five 'sandwich type' batteries and observations on charging an Exide SPL.1 battery.
| Identifier | ExFiles\Box 54\2\ Scan078 | |
| Date | 29th June 1920 guessed | |
| RR 238 (150 BKS.) (SH57.29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To Order No Customer's No. 4 The last five batteries were of the sandwich type, the make-up of which were as below. | Battery | - | Cells | | | + | |---|---|---|---|---|---|---| | | 1 | 2 | 3 | 4 | 5 | 6 | | SZ. | Fuller | Oldham | Fuller | Exide | Oldham | P & R | | SY. | Exide | P & R | Exide | Fuller | P & R | Oldham | | SX. | P & R | Exide | Exide | P & R | Exide | Exide | | S1. | Exide | P & R | Exide | P & R | Exide | P & R | | S4. | Exide | P & R | Exide | P & R | Exide | P & R | The Exide battery SPL.1 could not be made to gas freely. Charging was continued (with no rise of voltage) until the battery began to warm up unduly although only slight gassing occurred. Signed (Control) This Sheet must be filed on completion of the work. | ||