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 Siemens-Schuckert describing a noise measuring instrument for automobile and aircraft engines.
| Identifier | ExFiles\Box 138\1\ scan0217 | |
| Date | 2nd January 1936 | |
| TELEGRAMS: "ELEFES, LUD. LONDON." QUOTATIONS ARE SUBJECT TO CONFIRMATION BEFORE ACCEPTANCE OF ORDER. PROMISES OF DELIVERY ARE GIVEN IN GOOD FAITH BUT MUST NOT BE REGARDED AS BINDING. TELEPHONE: OFFICE AND STORES: CENTRAL 8461-2-3. SIEMENS-SCHUCKERT (GREAT BRITAIN) LTD. DIRECTORS: E.{Mr Elliott - Chief Engineer} J.{Mr Johnson W.M.} BAKER (BRITISH). HENRY MORGAN (BRITISH). H.{Arthur M. Hanbury - Head Complaints} REYSS (GERMAN). L. F.{Mr Friese} SZILAGYI (BRITISH, FORMERLY HUNGARIAN). E.{Mr Elliott - Chief Engineer} KOCHER (GERMAN) MANAGING DIRECTOR. 30-34, NEW BRIDGE STREET, LONDON, E.C.4. BRANCH OFFICE: 36, JOHN DALTON STREET, MANCHESTER. TELEGRAMS "ELEFES, MANCHESTER" TELEPHONE: BLACKFRIARS 8047. YOUR REF. HI/EJB/EJT. OUR REF. 2nd January, 1936. E.{Mr Elliott - Chief Engineer} W. Hives, Esq., Rolls-Royce Ltd. Nightingale Road, Derby. Handwritten note: LP{Mr Lappin} Smith, We should have a look at a sample and see if it is any better than the Telegraph Co's instrument. Rm{William Robotham - Chief Engineer} Dear Sirs, NOISE MEASURING INSTRUMENTS. Referring to your recent conversation with our Mr. Mattinson, we have pleasure in enclosing two photographs illustrating noise meters recently introduced by us for carrying out measurements on various machines. The instrument illustrated in photograph Ms. 355.43 has been specially designed for measuring the peak noise values of internal combustion engines, and is therefore very suitable for automobile and aircraft use. The instrument covers the high range of 50 - 115 phons and incorporates a directly calibrated instrument giving an instantaneous reading of noise level. The instrument including all accessories is priced at ... ... ... £ 97. 10. 0. [STAMPED: Enclosure] | ||