Mechanical Engineers' Pocketbook Not stated
1920. Second Edition. 474 pages. No dust jacket. Blue cloth with gilt lettering. Pages remain bright and clear with minimal tanning and foxing. More pronounced tanning to endpapers. Noticeable cracking to gutters. Binding remains firm. Boards have noticeable edge wear with corner bumping and rubbing to surfaces. Gilt lettering is dulled. Mild tanning to spine and edges with some crushing to ends.