00519nam a2200145 4500 689 689 191119b ||||| |||| 00| 0 eng d 621.19 P9821 201 Pull, E. Boiler House Practice: Selection , Working and Maintenance of Steam Generating and Auxiliary Plant: A Comprehensive Book for Engineers in Charge of Small Industrial Plant, Steam 2nd ed. London Technical Press 1945 v, 281 p. Steam Boilers ddc BK 0 0 ddc 0 621_190000000000000_P9821 0 2775 CL CL 1952-10-10 621.19 P9821 00107 2019-11-19 1 BK