Published online by Cambridge University Press: 28 July 2016
The title of this paper, “Gas Turbine Accessory Systems,” covers a wide field, and one which is changing all the time. I have known many experimental units devised to perform a certain job, which were discarded almost as soon as they were made for some more up-to-date component and then, after a lapse of months or years, the original units have been dragged out from under the bench or from a museum of relics and pressed into service again with satisfactory results.