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 Muirhead & Co., Ltd. regarding samples of wax and bitumen sent for testing.
| Identifier | ExFiles\Box 167\3\ img144 | |
| Date | 1st February 1939 | |
| Insulation 6110- 852 MUIRHEAD & CO., LTD. TELEGRAPH AND ELECTRICAL ENGINEERS. TELEPHONE: BECKENHAM 0041, 0042. ELMERS END, BECKENHAM, KENT. TELEGRAMS & CABLES: MUIRHEADS, ELMERS-END 4/LB. 1st February, 1939. Messrs. Rolls Royce Ltd., Experimental Department, DERBY. Dear Sirs, We have your letter of the 26th ult. ref. Rm{William Robotham - Chief Engineer}/RC.{R. Childs}10/JH, and have today sent you under separate cover a small sample of wax with a melting point of 180° F.{Mr Friese} and also a sample of bitumen, which should be used at a temperature of approximately 230° F.{Mr Friese} If the bitumen is used at a higher temperature its qualities will be greatly impaired. When you have tested these samples we shall be glad to hear if we can be of further assistance. Yours faithfully, MUIRHEAD & CO. LTD. J.{Mr Johnson W.M.} V.{VIENNA} Foll Managing Director. | ||