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).
Quotation for 'STROBORAMA' equipment, including lighters, synchronisers, and photographic arrangements.
| Identifier | ExFiles\Box 27\2\ Scan306 | |
| Date | 21th November 1934 | |
| 101 Leadenhall Street. London.21-11-34. Quotation - "STROBORAMA" EQUIPMENT Item 1. The Type "B" STROBORAMA LIGHTER. (Generator and Projector) The type "B" lighter works on 110 or 220 volts alternating current, and necessitates the use of an independent or a contact synchroniser, according to application. TYPE "B" SYNCHRONISERS 2. INDEPENDENT HAMMER BREAK SYNCHRONISER: Driven by an electric motor provided with a tachymeter and regulated by a rheostat and hand brake. It enables observation to be taken without contact with the machine being examined when its motion is very regular. 3. CONTACT HAMMER BREAK SYNCHRONISER: Driven by the machine under examination. It is necessary in obtaining the appearance of strict immobility, independent of the machine's irregularities, precise measurements, and in the use of the Photographic Arrangement. It comprises a system of hand angular displacement with fixed connection poles, allowing the points of observation to be changed and an appearance of slow motion obtained. Total Cost of foregoing, including Customs Duty for entry into this country ... ... ... ... ... £461. (Found hundred and sixty one pounds sterling) All Special Synchronisers, Brush or with Graduated Dial, Angular Displacement or Supplementary Contact if required. 4. PHOTOGRAPHIC ARRANGEMENT: Can be fixed on type "B" Stroborama, with condenser and manipulator (Type "B" STROBORAMA projector is used for the photograph) An ordinary camera can be used (not included) and plates of an average sensitiveness ... ... Total cost, including Customs Duty for entry into this country:- £245 0 0 (Two hundred and fortyfive pounds sterling) ----------------------- | ||