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).
Instruction sheet regarding the accuracy testing of two Elliott ammeters after repair.
| Identifier | ExFiles\Box 168\5\ img032 | |
| Date | 2nd December 1925 | |
| RR 300 (20 Bks.) (SK 354 5-12-22 M/P 264049) X.4622 108705 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.E.L. Date: 2-12-1925 Order No.: Customer's No.: X.4622 Re: J.B.134 Re Elliott ammeters no 140998 & 141000. These ammeters having been returned from the makers after repair were tested for accuracy with B-E instrument - no 9K. Ammeter no 141000 was found to read correct on both sides of the scale, but ammeter no 140998 had an error of -1.5%. VSD returned to makers for adjustment as per instructions repair no 120 11-7-25. They are now suitable for testing on chassis. Signed: f.f. This Sheet must be filed on completion of the work. | ||