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).
Typed list of component parts with their corresponding quantities and part numbers.
| Identifier | ExFiles\Box 156\1\ scan0225 | |
| Date | 21th July 1937 guessed | |
| 3 Spindles - Ex.28301. 3 Valves - Ex.28336. 6 pins - E.18658. 1 valve - EB.680. 1 valve nut - EB.681. 1 washer - EB.691. 1 nut - K.4322. 1 washer (spring) - K.9012. 1 Thermostat casing - EB.619. 1 washer - EB.674. 3 nuts - EB.669 1 cover (thermostat casing) - EB.621. | ||