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 the Experimental Department requesting a trial sample of Vi-prou sound insulating felt.
| Identifier | ExFiles\Box 138\1\ scan0301 | |
| Date | 8th June 1938 | |
| EXPERIMENTAL DEPT. Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies}12/JH. 8th June, 1938. Permanite Limited, Salisbury House, LONDON WALL, LONDON.E.C.2. 1160? Dear Sirs, With reference to your sample of permanite Vi-prou sound insulating felt. We should be very glad if you would supply us with a length 10' x 3' wide for trial purposes, also the cost per sq. yd. Yours faithfully FOR ROLLS-ROYCE LTD. | ||