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).
Instructions for the re-calibration of a cell voltmeter.
| Identifier | ExFiles\Box 33\4\ Scan215 | |
| Date | 21th February 1924 | |
| RR 300 (20 Bks.) (SK 354 5-12-22 MP 264049) X.1782 108581 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.F.B. Date: 21 - 2 - 1924 Order No. Customer's No. J.B.36. Re: Re calibration of cell voltmeter This voltmeter was checked with box instrument no 98 & was found to read correct from 0 to 3.0 volts on both sides of the scale. The scale proportionality being also good. Signed: G.J. This Sheet must be filed on completion of the work. | ||