Chart from the Cadillac Motor Car Co. Electrical Dept. showing temperature, voltage and specific gravity during a 10 Amp discharge test.
| Identifier | ExFiles\Box 41\2\ Scan091 | |
| Date | 25th February 1919 | |
| TEMPERATURE F° SPECIFIC GRAVITY VOLTAGE TIME Hours. TEMPERATURE VOLTAGE SPECIFIC GRAVITY NIGHT STOP START Single Cell Readings taken on 3rd Cycle after assembling Positives with foreign Negatives. 12.5 hr x 10 amp = 125 Amp Hr. CADILLAC MOTOR CAR Co. ELECTRICAL DEPT. CHART TO ACCOMPANY REPORT ON SAMPLE # 2735, F 2396 10 AMP DISCHARGE 2-25-19 Pos. Cad. 1.98 V Neg. 0.18 Pos. Cad. 2.00 V Neg. 0.30 F.K.S. 4-21-19 EUGENE DIETZGEN CO. CHICAGO-NEW YORK NO. 346B | ||
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).