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).
Diagram of a felt seal for a hand brake shaft.
| Identifier | ExFiles\Box 98\3\ scan0088 | |
| Date | 12th April 1939 | |
| GCD 1309 FELT RING NEW PIECE FELT CARRIER TO BE A PRESS FIT IN ITS HOUSING THESE PIECES HAVE BEEN MODIFIED. GCD 913 GCD 484 GCD 206 GCD 72 SCALE 1/1 FELT SEAL FOR HAND BRAKE SHAFT B V ROLLS-ROYCE LTD. PRINT ROOM APR 12 1939 DERBY 4-4-39 GCD 1309 | ||