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).
Chart and diagram detailing 'Delco' lever deflection test results.
| Identifier | ExFiles\Box 56\1\ Scan041 | |
| Date | 20th January 1931 | |
| SHEET X. "DELCO" LEVER DEFLECTION TESTS. 12" LEVER PISTON STOP AT L.P. END. DEFLECTION. INS. .080 .060 .040 .020 LOADS ON LEVER. LB. 20 40 60 80 100 120 C. B A B-A C-B CLOCKS FIXED TO THIS BAR CLOCK C. CLOCK B. CLOCK A. {Mr Adams} PISTON BLOCKED ON LOW PRESSURE SIDE. | ||