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).
Leaflet detailing the features and manufacturers of the 'Graham' Autohorn.
| Identifier | ExFiles\Box 49\5\ Scan105 | |
| Date | 23th March 1921 guessed | |
| THE GRAHAM AUTOHORN ¶ Full particulars of the “Graham” Autohorn will be found in Booklet A.D.1, and it is to be understood the present design, which is supplied complete with push and length of flexible cord, is identical with the original patterns in all the essential details of construction. PRICES UPON APPLICATION 3 POINTS WORTH KEEPING IN MIND 1. The Autohorn, which effectively warns but does not worry, is absolutely reliable. 2. Horizontal location of the diaphragm precludes deterioration by accumulation of dirt, dust, or water. 3. The Autohorn is British throughout. Patentees and Sole Manufacturers: ALFRED GRAHAM & COMPANY Telegrams: Navalhada Brock, London St. {Capt. P. R. Strong} Andrew's Works CROFTON PARK LONDON, S.E.4 Telephones : Sydenham 366 952 and 1700 50 | ||