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).
Performance chart for a Type AJ pump showing delivery and static pressure against speed.
| Identifier | ExFiles\Box 149\4\ scan0283 | |
| Date | 14th May 1937 guessed | |
| PRESS. STATIC LBS./SQ. IN. DELIVERY G.P.H. SPEED IN R.{Sir Henry Royce} P. M.{Mr Moon / Mr Moore} 1523227 TYPE AJ PUMP FREE FLOW 0.5 LB. 1.0 LB. 1.5 LB. 2.0 LB. Y-Axis (Pressure): 4, 3, 2 Y-Axis (Delivery): 38, 34, 30, 26, 22, 18, 14, 10 X-Axis (Speed): 200, 400, 800, 1200, 1600, 2000 | ||