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 to order twelve ammeters of two different specifications from Joseph Lucas Co. Ltd.
| Identifier | ExFiles\Box 168\5\ img253 | |
| Date | 16th January 1934 | |
| 26.1.32 Roy.{Sir Henry Royce} From Ha/Wst. Ha/Wst.11/MA.16.1.34. Will you please order for us from the Joseph Lucas Co.Ltd. six ammeters to drawing DB{Donald Bastow - Suspensions}174 to order No.54107 and six ammeters to drawing D.73920 to order No.54105. All these ammeters should be of Messrs. Lucas latest pattern incorporating damped movement for use with voltage controlled systems. Ha/Wst. | ||