Urgent request to obtain a switch for a variable speed A.C. motor for a coolant pump.
| Identifier | ExFiles\Box 143\1\ scan0427 | |
| Date | 16th November 1940 | |
| 1209 To E.J.J. from Rm {William Robotham - Chief Engineer} /GB. Rm {William Robotham - Chief Engineer} /GB.1/ET.16.11.40. Re: COOLANT PUMP. -------------------- Please obtain switch for 10/2 H.P. variable speed A.C. commutator motor type CHT6620 G. {Mr Griffiths - Chief Accountant / Mr Gnapp} Form S. PROT cycles 50 Volts - PRI.200 SEC. 39 Amp.31/. The above is required urgently. Rm {William Robotham - Chief Engineer} /GB. | ||
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).