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).
Letter from The Macintosh Cable Company regarding the supply of 'Maconite' high tension flex for experimentation.
| Identifier | ExFiles\Box 168\1\ img009 | |
| Date | 12th January 1926 | |
| Contractors to the Admiralty, War Office & Other Govt. Depts. Cable Codes: A B C 5th Edition and Bentleys DERBY. ASHBOURNE ROAD MILLS, VULCANIZED INDIA RUBBER & VULCANIZED BITUMEN CABLES, &c.&c. 'MACONITE' INSULATED CABLES. TELEGRAMS: 'MACINTOSH, DERBY.' TELEPHONE: No 1200, (3 LINES). LONDON ASTOR HOUSE, ALDWYCH, W.C.2 TELEGRAMS: 'INTOSHMAC ESTRAND, LONDON.' TELEPHONE: HOLBORN 2814 & 2815. LIVERPOOL. 176, 178, RICE LANE, WALTON. CONTRACTING DEPARTMENT. PAPER INSULATED LEAD COVERED & ARMOURED CABLES, &c. TELEGRAMS: 'CONDUCTOR, LIVERPOOL' TELEPHONE: Nos 375 and 376 WALTON THE MACINTOSH CABLE COMPANY LTD, ELECTRICAL CABLE MANUFACTURERS, ENGINEERS & CONTRACTORS. ASHBOURNE ROAD MILLS. DERBY. 12th. January 1926. Your Ref. TEHB/JDF. Our Ref. Messrs. Rolls-Royce, Ltd., Nightingale Road, DERBY. 'Dear Sirs, FOR THE ATTENTION OF MR. ROYCE. "MACONITE HIGH TENSION FLEX." As requested by your Mr. Royce we have pleasure in sending you a few yards of our 7 m/m.{Mr Moon / Mr Moore} "Maconite" high tension flex. upon which we understand you will carry out some experiments. The characteristic features of our special insulation "Maconite" can be briefly summed up as follows :- 1. High dielectric strength, equal to the best quality rubber, being in the region of 20,000 volts per millimetre. 2. Non-hygroscopic nature. "Maconite" cables may be immersed in water for long periods without the least absorption taking place. - continued - ENCLOSURE No 637 'JUSTSO' ENCLOSURE No 213 'JUSTSO' Handwritten note: 19/1/26 | ||