00481nam a22001577a 450000500170000000800410001702000180005804100080007608200100008410000190009424500390011325000140015226000390016630000100020552001080021520230613131524.0230613b |||||||| |||| 00| 0 eng d a9788174091222 aeng a621.8 aP. L. Ballaney aTheory of Machines and Mechanisms  a6th Units aNew DelhibKhanna Publishersc2021 a1348P aDefinitions and Basic Concepts Motion and Inertia Velocities in Mechanism Instantaneous Centre Method