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 modified suction elbow against a standard one based on the time taken to fill an Autovac float chamber.
| Identifier | ExFiles\Box 40\4\ Scan126 | |
| Date | 12th August 1925 | |
| EFFECT OF MODIFIED SUCTION ELBOW ON TIME TAKEN TO FILL AUTOVAC FLOAT CHAMBER SUCTION TIME (SECS) INDUCTION PIPE DEPRESSION (INS. MERCURY) MODIFIED SUCTION ELBOW STANDARD SUCTION ELBOW | ||