1914. First Edition. 173 pages. No dust jacket. Green cloth. Full title: Compressed Air, A Treatise on the Production, Transmission and Use of Compressed Air. Black and white photographs and illustrations throughout. Binding remains firm. Pages and photographs are lightly tanned throughout. Water staining to some page edges, text remains unaffected. Pencil inscription to front free endpaper. Boards have moderate shelf-wear with bumping to corners and rubbing to surfaces. Slight crushing to spine ends. Creasing to rear board. Wear marks overall.