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 resistance measurements for an E.A.C. S. Motor's windings.
| Identifier | ExFiles\Box 64\1\ scan0183 | |
| Date | 8th September 1924 | |
| RR 238 (150 BKS.) (SH57. 29-6-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To: E.Y.B Order No.: Wa{Mr Wallis} 79 Customer's No.: X 9620 Resistances of main field winding and Teazer winding of E.A.C. S. Motor Marked C The resistance of teazer winding at 17°C = .491 ohms Instruments used were No 40 on 1-5 volt & ampere range The resistance of the main field winding at 17°C = .01315W Instruments used were No 40 on 1.5 ampere range & n 22407 as a millivoltmeter Signed: H.E.W. This Sheet must be filed on completion of the work. | ||