1943. Reprinted. 319 pages. No dust jacket. Brown cloth covered boards. Black and white photographs and diagrams. Pages and binding are presentable with no major defects. Minor issues present such as mild cracking, inscriptions, inserts, light foxing, tanning and thumb marking. Overall a good condition item. Boards have heavy shelf wear with bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned and sunned, particularly spine. Some additional moderate marks and staining. Book has slight forward lean.