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).
Sketch of a cutout showing rigid contact support and a narrower contact spring.
| Identifier | ExFiles\Box 50\1\ Scan122 | |
| Date | 18th May 1926 | |
| [ ".150"", "DEVELOPED VIEW OF SPRING", "VIEW OF SUPPORT", "SKETCH OF CUTOUT SHOWING RIGID", "CONTACT SUPPORT & NARROWER CONTACT SPRING", "SCALE APPROX FULL SIZE", "STAMP:", "ROLLS-ROYCE LTD", "REPROD: ROOM", "28 MAY 1926", "DERBY.", "HANDWRITTEN:", "AHLH", "18-5-26", "R" ], | ||