00511nam a22001577a 4500 1892 1892 200206b ||||| |||| 00| 0 eng d 621.81 B4771 1493 Bentley, Wallace. Questions in machine construction and drawing. Stages 1, 2, and 3. For use of students preparing for engineering examinations, etc 9th Manchestar Bentley publication 1943 50p. 1.06 Machine Drawing BK 0 0 ddc 0 621_810000000000000_B4771 0 4889 CL CL 1953-03-12 A. H. Wheeler 621.81 B4771 01597 2020-02-06 BK 0 1 ddc 0 621_810000000000000_B4771 0 12278 CL CL 1953-03-12 A. H. Wheeler 621.81 B4771 01596 2020-07-24 BK 0 1 ddc 0 621_810000000000000_B4771 0 12279 CL CL 1953-03-12 A. H. Wheeler 621.81 B4771 01598 2020-07-24 BK