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).
Price list and particulars for various types of car horns and fittings.
| Identifier | ExFiles\Box 49\5\ Scan103 | |
| Date | 14th March 1921 guessed | |
| PRICE LIST AND PARTICULARS DESCRIPTION. LIST No. CODE WORD. PRICE. £ s. d. {John DeLooze - Company Secretary} PER MEDIUM LENGTH HORN 6-VOLT - EH1 - SONSONETTE - 3 10 0 - Each 12-VOLT - EH1a - SONST LONG HORN TYPE (Recommended for Touring Cars) 6-VOLT - EH2 - SONSTIGE - 3 17 6 - Each 12-VOLT - EH2a - SONTICO PUSH - HP1 - SONTICUS - 0 3 9 - Each JUNCTION PIECE - JP1 - SONTIES - 0 4 6 - Each 2-CONDUCTOR CORD - HC1 - SONTUOSO - 0 0 5 - Foot 2-CONDUCTOR CABLE - HC2 - SONUERAT - 0 0 6 - Foot Owing to fluctuating market prices of raw materials and variations in rates of wages, the prices quoted are subject to alteration without notice. THE GRAOHAM AUTOHORN [8] [9] | ||