00353nam a2200145 4500 711 711 191121b ||||| |||| 00| 0 eng d 621.1 L985 231 Lyle, Oliver Efficient Use of Steam 1st ed. London HMSO 1947 912 p. Mechanics ddc BK 0 0 ddc 0 621_100000000000000_L985 0 2799 CL CL 1952-10-10 621.1 L985 00156 2019-11-21 BK