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).
Experiments on various types of cutout contact points.
| Identifier | ExFiles\Box 50\1\ Scan084 | |
| Date | 22th July 1925 | |
| X 4105 22.7.25. X.4105. CUTOUT CONTACT POINTS EXPERIMENTS. 7-GII. X.4105D. D type rubbing contacts, and X.4106 auxiliary back contact. GF.68. X.4105C. C type rigid backing and fixed contact point support. 8-GIII. X.4105A. A type rubbing contacts. 9-GIII. X.4105B. Spring with .150" neck and rigid fixed contact point support. 44-PK. X.4105B. Spring with .137" neck and rigid fixed contact point support. ) Not yet fitted with 98-NK. X.4105B. Spring with .125" neck and rigid fixed contact point support. ) rigid supp 7-EX. X.4105. Reynold contact points and rigid fixed contact point support. 8-EX. X.4105. Reynold contact points and rigid fixed contact point support. 46-PK. 93-NK. EFC. {E. Fowler Clarke - Electrical Engineer} | ||