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 list for various pipes and rivets, detailing part numbers, dimensions, and quantities.
| Identifier | ExFiles\Box 77\2\ scan0143 | |
| Date | 8th May 1920 guessed | |
| -2- Sec.No. | Piece No. | Title. | No. Off. | Out: dia. | S.W.G. | Length. 5200 | E.72846 | Oil Pipe. | 1 | .312 | 20(.036) | 35.750 5200 | E.72038 | Oil Pipe. | 1 | .312 | 20(.036) | 21.000 5200 | E.73149 | Oil Pipe. | 1 | .312 | 20(.036) | 27.760 5204 | E.23328 | Rivet. | 3 | .156 | 24(.022) | 2.050 5250 | E.72956 | Escape Pipe. | 1 | .437 | 20(.036) | 47.000 5250 | E.72968 | Escape Pipe. | 1 | .437 | 20(.036) | 47.000 5190 | E.71391 | Pipe. | 2 | 1.500 | 16(.064) | 1.750 5281 | E.72225 | Pipe. | 1 | .187 | 20(.036) | 21.500 BYZSS. [Watermark] DICKINSON BOND 1804 MADE AT CROXLEY | ||