Patents for Inventions. Abridgements of Specifications. Class 99, Pipes, Tubes, and Hose. Period A.D. 1901-4. Unstated
1907. 227 pages. Green pictorial paperback. Front cover is detached. Pages are moderately tanned and thumbed at the edges, with creased corners and foxing. Boards have been moderately rub worn. Noticeable shelf wear to corners, spine and edges. Corners are bumped and a little frayed Spine ends are crushed, with noticeable splits and chips. Front cover is detached.