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).
Test results for a Redmanol encased coil TR3 after endurance testing.
| Identifier | ExFiles\Box 45\4\ Scan278 | |
| Date | 29th January 1925 | |
| RR 238 (150 BKS.) (SH57.29-8-20.) MP 224359 X.4079b. ROLLS-ROYCE LTD. INSTRUCTIONS. To E.Y.b 29-1-1925 Order No. WA{Mr Wallis} 106 Customer's No. X 4079b. Redmanol encased coil TR{Capt. F. W. Turner - Finance}3. This coil has now completed 20,000 mls running, 18000 on experimental chassis and approx 2000 on our ignition rig. A production test has now been completed of this coil the results (as below) showing the coil to be OK:- Secondary Milliamps 14.2 Running current (12v) 1.26 ampere " " (8v) .92 " The coil behaved quite satisfactory throughout the test. Signed H.E.W. This Sheet must be filed on completion of the work. | ||