00426nam a22001697a 4500 903 903 191231b ||||| |||| 00| 0 eng d 621.9 L4335 337 Lea, F. C. (The) Machining of steel, simply explained 1st London Blackie 1947 vi,214p. 5.14 Machine Tools 466 Simons, Eric N. BK 0 0 ddc 0 621_900000000000000_L4335 0 3142 CL CL 1952-10-20 Blackie 621.9 L4335 00487 2019-12-31 BK 0 0 ddc 0 621_900000000000000_L4335 0 3143 CL CL 1952-10-20 Blackie 621.9 L4335 00488 2019-12-31 BK