Principles of Mechanism by F. Dyson
1951. Fourth Edition. 368 pages. Second Impression. Blue jacket over cloth. Clean pages with firm binding. Notable tanning to endpapers and page edges. Mild wear to spine, board edges and corners, with scuffing and soiling to boards. Unclipped dust jacket. Moderate wear, tear and loss to edges and corners. Notable tanning to spine and edges, with staining and soiling to DJ.