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).
Log sheet detailing materials, tests, and outcomes for numbered components.
| Identifier | ExFiles\Box 52\3\ Scan067 | |
| Date | 15th March 1922 | |
| -2- Contd. No. | Materials | Date | Particulars --- | --- | --- | --- 7 | Tin foil .0005" x 2.125" wide. Std. twin paper .0015" x 2.325 from Atwater. | 20.2.22. 21.2.22. | Cool on a.c. charge O.K. Cap. .39 mf. Handed Mr. Brock for No.6. 8 | " | 20.2.22. 20.2.22. | Cool on a.c. charge O.K. .378 Dist. M-spk. Handed Mr. Brock for casing. 9 | " | 20.2.22. 20.2.22. | Cool on a.c. Charge O.K. .435 Dist M-spk. Handed Mr. Brock for casing. 10 | " | 9.3.22. 14.3.22. | Recd. Mr. Brock. 200 a.c. O.K. .325 mf at 15°C. Heated on 400 V 3 mins. Broke down after cooling on 400 V. {VIENNA} Unwound for inspection. Small puncture. 11 | " | 9.3.22. 10.3.22. | Recd. Mr. Brock 200 a.c. O.K. .295mf. Warmed on 200 V a.c. 2 hrs. at 15°C. Handed Mr. Coverley for car. 12 | " | 13.3.22. | Recd. Mr. Gamble. uncased. 400ac Cap. .32 mf. [Handwritten: 1 min OK] 13 | " | 13.3.22. | Recd. Mr. Gamble uncased. 400 ac Cap. .31 mf. [Handwritten: 1 min OK] 14 | " | 13.3.22. | Ditto. Cap. .36 mf. [Handwritten: 400 ac 1 min OK] 15 | " | 13.3.22. | Ditto. Cap. .33 mf. [Handwritten: 400 ac 1 min OK] 16 | " | 14.3.22. | Recd. Mr. Gamble uncased. Prod. low .25 17 | " | 14.3.22. | Ditto. Prod. O.K. .282. 18 | " | 14.3.22. | Ditto. Prod. O.K. .335 19 | " | 14.3.22. | Ditto. Prod. Low .25 20. | " | 14.3.22. | Ditto. Prod. O.K. .365. 12-20. | " | 15.3.22. | Retd. Mr. Gamble for casing. EFC. {E. Fowler Clarke - Electrical Engineer} [Faint watermark text: HYDE ON KIRK] | ||