Associated Electrical Industries Limited - Turbine-Generator Division.
Report on a visit to AEG, Berlin, and Stork/Werkspoor, Sneek, May, 1966, by F.R. Harris, A. Sidebotham & J.B.P. Wood.
"The main purposes of the visit were :-
(a) to discuss AEG's experience with combined HP-IP cylinders,
(b) to examine their methods of diaphragm manufacture, with particular reference to the use of hollow sheet-metal blades."