Returning a faulty and previously repaired electrical horn diaphragm disc for inspection.
| Identifier | ExFiles\Box 82\5\ scan0089 | |
| Date | 20th April 1937 | |
| 2009 HOTEL DE FRANCE. CHATEAUROUX(French test region). Indre. France. Rm {William Robotham - Chief Engineer} /GWH {George W. Hancock - Head Chateauroux} /IMW {Ivan M. Waller - Head of Chateauroux} /6/JAB. 20th April 1937. To. Rm. {William Robotham - Chief Engineer} c. Rm {William Robotham - Chief Engineer} /GWH {George W. Hancock - Head Chateauroux} 3. B. IV. Electrical Horn. We are returning the faulty diaphragm disc for your inspection. We note that it had come loose previously and been repaired by hammering over in the centre. ------------ Rm {William Robotham - Chief Engineer} /GWH {George W. Hancock - Head Chateauroux} /IMW. {Ivan M. Waller - Head of Chateauroux} | ||
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).