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).
Specification document detailing the weight of a radiator when empty and full of water.
| Identifier | ExFiles\Box 3\2\ 02-page074 | |
| Date | 16th December 1919 | |
| X 200 X.3727. - R.R. RADIATORS. X.200. 16.12.19. R-R RADIATOR E.17143. Weight empty 94 lbs. 2 ozs. Full of Water 132 lbs. 2 ozs. | ||