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).
Electrical experimental record sheet for Eska Tungsten Points.
| Identifier | ExFiles\Box 35\6\ scan 124 | |
| Date | 29th October 1923 | |
| ELECTRICAL EXPERIMENTAL RECORD SHEET. Eska Tungsten Points. AQ X. No. 2894 Date on. | Location. | Date Off. | Remarks. | Miles reading start. | Miles reading finish. | Miles cover-ed.{J. L. Edwards} | Total miles. ---|---|---|---|---|---|---|--- 14-7-23 | In Lab | 16-7-23 | Rec'd from makers. | - | - | - | - 16-7-23 | School | 19-7-23 | Sent to Col. Hanken for 2GB but returned. 16-10-23 | 7 G II | 9-2-24 | Examined 21-10-23 + found to be OK. Examined 12-11-23. Pits forming but otherwise OK. | 1,295 | 6,725 | 5,430 | 5,430 9-2-24 | " | 25-6-24 | Removed for examination, see report PC 20 / 20-2-24. Replaced immediately. See also report PC 21 22-2-24. | 6,725 | 2882 | 11587 | 11587 25-6-24 | lab | | Examined 23/6/24 Pits of melted metal (mls reading 2882) on each contact. Removed from 7GII having completed 10,000 mls (11587 actual) Condition reported in W.A.52 26/6/24 | | | | 11587 29.10.23. (Vertically on right side) X.2894. | ||