00362nam a22001457a 4500 4180 4180 200724b ||||| |||| 00| 0 eng d 621.433 W461 1875 Welsh, R. J. The gas turbine manual London Temple Press 1951 200 p. 17.03 Gas Turbines BK 0 1 ddc 0 621_433000000000000_W461 0 12269 CL CL 1953-02-25 A. H. Wheeler 621.433 W461 01563 2020-07-24 BK