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).
Graph comparing the performance of a Bensport petrol pump against an AC Model 'C' pump.
| Identifier | ExFiles\Box 27a\2\ Scan168 | |
| Date | 6th May 1933 | |
| GRAPH V BENSPORT PETROL PUMP LE C3417 6-5-33 COMPARITIVE TESTS WITH AC MODEL 'C' PUMP 12FT 1/4" DIA PIPE LINE AC MODEL 'C' RR LE C3417 DELIVERY PTS/HR PUMP SPEED R.P.M. MAX PRESS LB/SQ IN Max Press 4.0 3.0 2.0 1.0 | ||