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).
Report from North & Sons Ltd regarding the modification and repair of a fractured Watford Magneto Contact Breaker B.9224.
| Identifier | ExFiles\Box 48\2\ Scan287 | |
| Date | 16th May 1925 | |
| X. 8796% EFC. {E. Fowler Clarke - Electrical Engineer} from Wd. {Mr Wood / Mr Whitehead} C. to Dn. Wd {Mr Wood / Mr Whitehead} 3/NJ/16.5.25. X.4181 - Watford Magneto. The Watford Magneto Contact Breaker B.9224 referred to in yours EFC {E. Fowler Clarke - Electrical Engineer} 3/T9.5.25 was returned to North & Sons Ltd. on the 11th inst. and we are this morning in receipt of their report on same, dated 15th inst. as follows:- "We beg to say that we have closely examined "the fractured rocker arm of contact breaker B.9224 "and we find that this arm is one of our early "pattern fitted to this type of contact breaker. "This arm has now been modified in order to "obtain a greater amount of material at the point "of fracture and so prevent future breakages. The "modification to the arm entails an alteration to "the base plate which means fitting a new base "plate of the modern pattern. "As this lever is of the pattern before the "modification was decided upon we are repairing same "free of charge and will despatch the contact "breaker to you as soon as possible." Will Dn. please see that the above-mentioned Contact Breaker is handed to EFC. {E. Fowler Clarke - Electrical Engineer} Wd {Mr Wood / Mr Whitehead} | ||