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 plotting deflection against load for Smith Calorstat tests under direct loading conditions.
| Identifier | ExFiles\Box 39\4\ Scan104 | |
| Date | 10th March 1930 | |
| SMITH CALORSTAT TESTS. SYLPHON RATING DIRECT LOADING. ETHER EXTRACTED. CENTRAL SPRING REMOVED. LIFTING FROM MEAN POSITION. PUSHING DOWN FROM MEAN POSITION. DEFLECTION - INS. SYLPHON LOAD - LB. LOADING UNLOADING | ||