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).
Fitting temperature indicating fuses to 20 HP dynamos on specific chassis.
| Identifier | ExFiles\Box 51\1\ Scan166 | |
| Date | 30th June 1923 | |
| X.4383 30.6.23. X.4383 - TEMPERATURES ATTAINED BY 20 H.P. DYNAMOS ON CHASSIS. The following chassis have today been fitted with temperature indicating fuses, melting at about 70°C. (handwritten '68' above '70'). 2 G.II 3 G.II 6 G.II 7 G.II EFC. {E. Fowler Clarke - Electrical Engineer} | ||