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).
Request for the overhaul and recalibration of two Weston ammeters.
| Identifier | ExFiles\Box 167\2\ img025 | |
| Date | 11th March 1937 | |
| 6103 To EJJ. from Wst/RC.{R. Childs} Wst/RC.{R. Childs}12/AP.11.3.37. Re. Laboratory Instruments. Will you please arrange for the following instruments to be overhauled and recalibrated - One Westons' ammeter model 1 -No.22596, complete with one shunt box, one 150 amp. external shunt and one 600 amp. external shunt. One Weston ammeter model 163 - No.40. This instrument requires an external zero adjuster fitting. Also requires one new 30 amp. external shunt, similar in type to that recently supplied with weston instrument model 1 No.32901. Wst/RC.{R. Childs} | ||