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).
Request to The British Piston Ring Co. Ltd. for a drawing and 12 Hicrome inserts for a 75mm bore.
| Identifier | ExFiles\Box 132\5\ scan0110 | |
| Date | 12th March 1940 | |
| 112 W Experimental Dept., Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}16/ML. 12.3.40. The British Piston Ring Co.Ltd., Holbrook Lane, Coventry. Dear Sirs, Some time ago, you supplied us with short inserts to your drawings C.1.12 and C.1.21. We would now like to try similar inserts to suit 75 mm. bore, everything else being the same. Will you therefore, prepare a drawing, let us have these prints, and supply 12 inserts in Hicrome. Yours faithfully, for ROLLS ROYCE. LTD., | ||