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).
Inspection report detailing the wear on Tungsten Points AQ and AR after 5,430 miles.
| Identifier | WestWitteringFiles\L\2Jan1924-March1924\ Scan47 | |
| Date | 20th February 1924 | |
| RR 238 (150 BKS.) (SH57.29-8-20.) MP 224358 ROLLS-ROYCE LTD. INSTRUCTIONS. To: E F C Order No. P C 20 Customer's No. X 2894 Tungsten Points. A Q and A R Points A Q These have run (up to time of inspection) 5,430 miles on 7 G II. Standard condenser fitted. Screw Point:- All the surface has been in contact. There is very little wear in the depth of the point. The worn surface is rough with two small cavities, but comparatively clean. (little discolouration) Lever point :- About 80% of the surface has been in contact. Very little, wear in the depth of the point. The worn surface is rough, but cont'd.{John DeLooze - Company Secretary} Signed This Sheet must be filed on completion of the work. | ||