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).
Letter from Clayton Dewandre Company Limited regarding trials, performance, and pricing of heaters.
| Identifier | ExFiles\Box 137\2\ scan0073 | |
| Date | 7th May 1938 | |
| 1158 REGISTERED OFFICE: TITANIC WORKS, LINCOLN. TELEPHONE: LINCOLN 1156/7. TELEGRAMS: TITANIC, LINCOLN. LONDON OFFICE: AFRICA HOUSE, KINGSWAY, W.C.2. TELEPHONE: HOLBORN 4614. TELEGRAMS: CLADEWCO WESTCENT, LONDON. CODES USED: A.B.C. 6TH EDITION 5 LETTER. BENTLEY'S AND PRIVATE. CLAYTON DEWANDRE COMPANY LIMITED. DIRECTORS: C.H. DADE, (CHAIRMAN). C.T. BLACKLOCK, (MANAGING DIRECTOR). R.M. GRANT. TITANIC WORKS, LINCOLN, ENG. GENERAL MANAGERS: J.E. GRIMSHAW. S.E. WILLETT. REF SEW/FB 7th. May 1938 Messrs Rolls Royce Ltd., DERBY. Dear Sirs, We are in receipt of your letter of the 3rd. instant, reference Rm{William Robotham - Chief Engineer}/Std.8/JH, regarding Heaters. Our latest trials giving wattage and dissipation against voltage are shown on charts enclosed. S.2.RA. L.635.B.1/B2. Drg.ST.683A S.2.CA. " " Drg.ST.683B. A chart for the C.C. Heater is not available, but the performance at 12 volts is as follows :- B.T.U.'s per hour at 120 deg.TD. - 6500 Watts - 14.4 (See drawing ST.1314C enclosed) With regard to the rheostat, we wrote you on 7th. February enclosing test figures and asking for your comments for future supply. We could test out the rheostat according to your requirements and give you the voltages current at each stud. Our price for the S.2.RA. Heater is £3/-/- (three pounds) each, terms being net cash monthly account. Yours faithfully, CLAYTON DEWANDRE CO. LTD. (S.E. WILLETT) JOINT GENERAL MANAGER | ||