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).
Data table showing times to discharge 500cc of water through different nozzles under three pressure heads.
| Identifier | ExFiles\Box 36\1\ scan 043 | |
| Date | 16th February 1916 | |
| X. 2907L- FLOW OF LIQUIDS THROUGH ORIFICES TIMES TO DISCHARGE 500 cc. Water Nozzle | Head 1. | Head 2. | Head 3. --- | --- | --- | --- A 1 | 189 secs | 219 secs | 275 secs A2 | 205 " | 239 " | 305 " A3 | 222.5 " | 278 " | 340 " A4 | 252 " | 336 " | 380.5 " B1 | 46 " | 53 " | 65 " B2 | 46 " | 53 " | 66 " B3 | 46 " | 53 " | 65.5 " B4 | 51 " | 59 " | 70 " C1 | 26.5 " | 30.5 " | 38 " C 2 | 28 " | 30 " | 38 " C3 | 26.5 " | 29.5 " | 38 " C4 | 27 " | 31.5 " | 38 " D1 | 11 " | 13 " | 15 " D2 | 111 " | 13.5 " | 15 " D3 | 11 " | 13.5 " | 15.5 " D4 | 11 " | 13 " | 15 " Handwritten notes on right: .651' 1.0675' 1.484' Head 3. is 7.81" above entrance to nozzle. Head 2. is 12.81" " " " " Head 1. is 17.81" " " " " Handwritten notes: (Green pencil) Times (at bottom) Vertical Footer: R.R. 356 a (100) (T) (S) T.SC. 29K 16-2-16 (D.{John DeLooze - Company Secretary} 1646) | ||