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).
Leaflet for patented Cone-Ring Flexible Couplings, available in heavy and medium duty types.
| Identifier | ExFiles\Box 159\6\ scan0055 | |
| Date | 1st May 1938 guessed | |
| CONE-RING FLEXIBLE COUPLINGS (Patented) RADICON DAVID BROWN & SONS (HUDD) LTD HEAVY AND MEDIUM DUTY TYPES DAVID BROWN & SONS (HUDD) LTD HUDDERSFIELD D/3901 Leaflet No. E304.2 | ||