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 Gent & Co. Ltd. discussing technical modifications to car electric clock model 301.
| Identifier | ExFiles\Box 164\1\ img005 | |
| Date | 20th January 1931 | |
| ALL COMMUNICATIONS TO BE ADDRESSED TO THE FIRM & NOT TO INDIVIDUALS ON BRITISH ADMIRALTY, WAR OFFICE, AIR MINISTRY & POST OFFICE LISTS. X. 6024 Branches:— LONDON: 25, VICTORIA STREET, S.W.1 TELEGRAMS: 'TELEGENTS, SOWEST, LONDON' TELEPHONE: VICTORIA 2636-8 (2 LINES) NEWCASTLE ON TYNE: 52, BLACKETT STREET TELEGRAMS: 'GENTS, NEWCASTLE-ON-TYNE' TELEPHONE: 1135 CODES: BENTLEY'S, MARCONI, A.B.C., 5th. & 6th. EDITIONS TELEGRAMS: 'GENTS, LEICESTER' TELEPHONES: LEICESTER 24151-2-3 (3 LINES) Trade Marks: GENTS, TANGENT, "Pul-Syn-Etic" Faraday Works LEICESTER FROM AN ACTUAL PHOTOGRAPH ENGINEERING AND ALLIED EMPLOYERS NATIONAL FEDERATION 1896 NATIONAL SCHEME FOR DISABLED MEN GENT & CO. LTD. (ESTABLISHED 1872) MANUFACTURING ELECTRICAL ENGINEERS Head Office and Factory: FARADAY WORKS LEICESTER VISITORS TAKE EAST PARK ROAD CAR TO ST SAVIOUR'S ROAD (EAST). Messrs. Rolls Royce Ltd., DERBY. OUR REF. AEB: YOUR REF. EFC1/AD. 20th January 1931. RECEIVED Enclosure TANGENT SOUND SIGNALS, BELLS, BUZZERS, SIRENS, BELL TOLLERS, RELAYS OF EVERY CLASS, STAFF OR LAMP SIGNALS, FIRE ALARMS, TELEPHONES, WATCHMAN'S CLOCKS, 'PUL-SYN-ETIC' SYSTEM OF PULSE CLOCKS, LIQUID-LEVEL ALARMS, WATER-LEVEL INDICATORS, MINE DISCIPLINE APPARATUS, STAFF LOCATERS, ELECTRICAL APPARATUS FOR MINE INDUSTRIES Dear Sirs, CAR ELECTRIC CLOCK NO. 301. Confirming ours of December 24th, we have looked into the matter of your Report and have taken the Clock in hand again. We are fitting larger Electro-Magnets so as to accommodate a larger gauge of wire in order to overcome the difficulty of burning out on the low voltage. We shall be interested to learn the Voltage at which the burn out occurred when in your hands. 12.0 V The backlash of the wheel was not taken to be detrimental, but a maintaining spring to drive it was taken as an unnecessary complication, particularly as other makers do not fit it. You will appreciate that the winding action occupies a much shorter period of time than a beat of the Escapement, therefore no time is lost. We will, however, fit such a spring and provide a wheel with finer teeth. With regard to the contacts, we fear the | ||