M. A. Aizerman 
Pneumatic and Hydraulic Control Systems [PDF ebook] 
Seminar on Pneumohydraulic Automation (First Session)

Pneumatic and Hydraulic Control Systems, Volume 1 covers the collection of Russian works on the subject of pneumatic and hydraulic automatic control. The book discusses applications and means of pneumatic control; systems of pneumatic and hydraulic automation; devices of pneumatic and hydraulic control units; and the regulation of final mechanisms. The text also describes the automatic compressed air plant; nozzle-baffle elements of pneumatic and hydraulic devices; the variations of the effective areas of diaphragms; and characteristics of diaphragms used in sensing elements of controllers. The elements of pneumatic and hydraulic devices are also considered. Automatic control specialists will find the book useful.