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).
Listing parts required for experiments on two types of modified cutouts.
| Identifier | ExFiles\Box 50\1\ Scan064 | |
| Date | 6th May 1925 | |
| X4105P C. EFC. BY/RD2/ML6.5.25. X.4105.D - CUTOUT WITH MODIFIED CONTACT POINT SUPPORTS. TYPE "D". X.4106 - CUTOUT PROVIDED WITH EXTRA PAIR OF CONTACTS TO OPERATE IN "OFF" POSITION. Please receive herewith the following parts which when assembled will provide for both the above experiments and they can both be tried together without interference. D.51 388 - Armature. D.51 389 - Contact Holder (Lower). D.51 390 - " " (Upper). D.51 391 - Spring Hood and Contact Holder. D.51 392 - Distance Piece. D.51 393 - Contact Spring. D.51 394 - Modification to Distribution Board Base. We will issue a list of parts and an arrangement in a day or so. MADE AT CROWLEY BY/RD. | ||