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).
Diagrams illustrating accurate and rough tests for radiator efficiency and system restriction.
| Identifier | ExFiles\Box 66a\4\ scan0271 | |
| Date | 22th January 1923 guessed | |
| CONNECTING TUBES & TOP OF U TUBES TO BE FILLED WITH WATER Hg 2FT 1FT ACCURATE TEST FOR RESTRICTION IN SYSTEM SHORT END OF VENTURI TO FRONT OF CAR ROUGH TEST FOR RADIATOR FREEDOM 18" STANDARD RADIATOR W.V.E.D. SERIES WHEN FILLED TO THE TOP SHOULD EMIT A JET OF WATER APPROX. 18" HORIZONTALLY FROM THE BOTTOM VENT. TESTS FOR RADIATOR EFFICIENCY | ||