Two graphs comparing left-hand and right-hand engine delivery, and venturi versus actual quantity measurements.
| Identifier | ExFiles\Box 15\1\ Scan302 | |
| Date | 1st July 1930 guessed | |
| Top Graph: Title: COMPARISON OF L.H. AND R.H. ENGINES DELIVERY Y-Axis: DELIVERY GAL/MIN X-Axis: ENGINE R.P.M. Data Lines: R.H. ENGINE, L.H. ENGINE Bottom Graph: Title: COMPARISON OF VENTURI AND ACTUAL MEASUREMENTS OF QUANTITY Y-Axis: DELIVERY GAL/MIN X-Axis: ENGINE R.P.M. Data Lines / Notes: VENTURI READING BY FORMULA 8.66√H, USED IN THESE TESTS, ACTUAL MEASUREMENT, CORRECTED LAW FOR VENTURI FROM THESE CURVES 8√H | ||
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).