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).
Instruction and pricing leaflet for the Armstrong Super Hydraulic Shock Absorber.
| Identifier | ExFiles\Box 152\1\ scan0285 | |
| Date | 12th April 1937 guessed | |
| Armstrong SUPER Hydraulic Shock Absorber ADJUSTMENT. CAM VALVE. Both Rebound and Compression are controlled by screw Q. To tighten Rebound and Compression slack nut T, taking care that the screw Q does not turn. Turn screw Q half turn inwards and lock up the nut, taking care that the Q does not turn. To reduce the resistance follow the above instructions, but turn screw outwards. SCREW TAPER VALVE. Both Rebound and Compression are controlled by screw S. The same instructions apply as for Cam Valve, but refer to screw S and nut U. NOTE.—Shock Absorbers adjusted too tightly make your car feel harsh and hard; we recommend slacking off first in case of doubt. These Shock Absorbers will only work satisfactorily on “ARMSTRONG” SPECIAL SHOCK ABSORBER OIL. 2s. 6d. per pint tin. 4s. 6d. per quart tin. Examine your Shock Absorber Oil level regularly. THE CORRECT LEVEL IS ¾” FROM TOP OF COVER. PRICE. Cars weighing up to 15 cwt. ... £3 8s 0d. per pair. Cars between 15 and 25 cwt. ... £4 4s. 0d. „ „ Cars between 25 and 35 cwt. ... £5 5s. 0d. „ „ or Double for sets of 4. Cars over 35 cwt. ... Prices on application. ARMSTRONG = SUPER = DOUBLE-ACTING Hydraulic SELF-REGULATING SHOCK ABSORBER. Manufactured by The Armstrong’s Patents Co., Ltd. BEVERLEY, E.{Mr Elliott - Chief Engineer} Yorks. Phones 410 & 411 Beverley. Telegrams—Armstrong Patents. | ||