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 H.M. Hobson Ltd. discussing modifications to the Hobson K-S Telegage petrol gauge.
| Identifier | ExFiles\Box 44\4\ Scan146 | |
| Date | 4th December 1929 | |
| X4038 CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: CHISWICK 4231. (4 LINES) TELEGRAMS: "ASSEMBLAGE, LONDON" H.{Arthur M. Hanbury - Head Complaints} M.{Mr Moon / Mr Moore} HOBSON, LTD. (Established 1903) MANUFACTURERS OF Hobson K-S Petrol Telegage AND MOTOR ACCESSORIES. WORKS: LONDON AND WOLVERHAMPTON. 47-55, ACTON VALE, LONDON, W.3. OUR REF. TPS/MW YOUR REF. ENCLO. 4th December 1929. Attention of W.A. Robotham, Esq., Messrs. Rolls-Royce, Ltd., Experimental Dept. Derby. Dear Sirs, Hobson K-S Telegage. From experience gained, certain modifications appear advantageous with regard to the above instrument which we are supplying to you. Top glass tube joint. We recently had information from the King-Seeley Corporation that in cases where a pressure balance connection was fitted to the top of the glass tube, it was advisable to alter the design from their old method of cementing on a glass tube holder, and leading therefrom a small diameter capillary tube, for the main reason that during transit or handling, it was possible to get a small amount of the Tetrabromide liquid into the small bore capillary tube, which thus became blocked, and prevented | ||