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).
Four indicator diagrams for a 'Lulax LC' component under different pressure and temperature conditions.
| Identifier | ExFiles\Box 28\1\ Scan273 | |
| Date | 13th July 1931 | |
| Panel E (Top Left): Lulax L.C. Low Pressure Load 100/100 LB & 4" Stroke 150 RPM / 7a Vertical Axis: 300 lbs/sq.in' Bottom Axis Markings: 120/S., 140/S. Other Markings: E, T, I Panel F (Bottom Left): Lulax L.C. High Pressure Load 100/100 LB & 4" Stroke 150 RPM / 7b Vertical Axis: 300 lbs/sq.in' Bottom Axis Marking: 120/S. Other Markings: F, T, I Panel G (Top Right): Lulax L.C. Low Pressure Load 100/100 LB & 4" Stroke Temp 50°C 150 RPM / 7a R.P.H. Vertical Axis: 300 lbs/sq.in' Bottom Axis Marking: 120/S. Other Markings: G, T, I Date: 13-7-31 Panel H (Bottom Right): Lulax L.C. High Pressure Load 100/100 LB & 4" Stroke Temp 50°C 150 RPM / 7a Vertical Axis: 300 lbs/sq.in' Bottom Axis Marking: 120/S. Other Markings: H, T, I Date: 13-7-31 | ||