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).
Brochure page for the Ashdown Rotoscope, detailing its applications across various industries.
| Identifier | ExFiles\Box 143\3\ scan0179 | |
| Date | 15th April 1940 guessed | |
| AUTOMOBILE ENGINEERING All valve and timing motions; magnetos; carburettors; chain-drives; lubricating systems; springs; shafts; clutches; tyre-testing; intake manifolds; lubrication problems; gear noises; etc. AVIATION. Flutter; propeller deflection; speed checking at a distance; speed setting; tachometer corrections; co-ordinating; distant observing of propellers in wing cars; etc. TEXTILE. Timing and synchronisation of spindles; detection and correction of bent or eccentric spindles; slow-motion observation and speed checking of bobbins, travellers, needles, and all high-speed operations. Testing of banding; belting compounds, lubricants, tachometers—and elimination of vibration, power losses, etc. ARTIFICIAL SILK. Speed checking at a glance of all shafts, spinning boxes, reelers, etc.; setting spinning boxes to one common standard of speed. ELECTRICAL. Direct observation and measurement of load slip of A.C. Motors, speed checking and setting; immediate calibration of resistances; vibrations; shaft whip; meter-testing; cable winding; electric welding; spark-gap discharges; emanations of neon tubes, etc. INDUSTRIAL. Production speeds; behaviours of small tools, grinders, etc.; air-spindle speeds up to 50,000 per minute; centrifugals; disintegrators; separators; sewing machines; tyre-testers; efficiency of oils and belt dressings; paper-mill machinery; printing machines; cigarette machines; milling machinery; locomotives, clockwork mechanisms and model engineering; gramophone testing; telegraph instruments; cinematograph projectors, talking films; radio developments; etc. PHYSICS. Speeds and behaviours of moving objects in sealed glass chambers; liquid jets; passage of gases and dust-laden air moving along ducts; flickering of gas jets; movement of tuning forks and vibrating cords; air waves in organ-pipes; speed of sound; fatigue tests on metals and fabrics; human movements; insect wing motion; dynamical balancing; study of wind-waves; blood flow; magnetic movements; etc. Page Twelve THE ASHDOWN ROTOSCOPE (THE STANDARD INDUSTRIAL STROBOSCOPE) Patentees and Sole Distributors: A.{Mr Adams} J.{Mr Johnson W.M.} ASHDOWN LTD. (Directors: A.{Mr Adams} J.{Mr Johnson W.M.} ASHDOWN, A.M.I.Mech.E., R.{Sir Henry Royce} A.{Mr Adams} BARING-GOULD) 70 VICTORIA STREET, LONDON, S.W.1 Telegrams: Baringould, London. Telephone: Victoria 3358-9. | ||