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).
List of weights for 25HP radiator and shutter parts with copper hexagon matrix tubes.
| Identifier | ExFiles\Box 105\1\ scan0200 | |
| Date | 1st February 1933 | |
| Y 5~5 O 1.2.33. WEIGHTS OF 25HP. RADIATOR & SHUTTER PARTS. COPPER HEXAGON MATRIX TUBES. lbs. ozs. Complete radiator, filled with water........... 117 Matrix with starting handle bush............ 36.375 2 Matrix frame plates (brass)............... 8.8125 2 side plates................................. 4.5 Top Tank with steam pipe and name plate..... 11.8125 Radiator cap complete with valve............ .625 Bottom tank (brass)......................... 7 14 Shutter blades............................. 11 (.787 lbs each.) Thermostat complete with controls........... 1.25 3 Bottom bearing plates..................... .635 2 Top bearing plates (alum) copper bushes... .4375 Pivot pin, nuts, and washers................ .0625 Water....................................... 28 --------- | ||