London: J. & A. Churchill LTD., 1939. First Edition. Hardcover octavo (25 x 19cm), pp. xiii, [1, blank], 233, [1, blank]; blue cloth covered boards; lettering on the spine originally in gilt, now dull; double blind borders on both covers; 284 illustrations including black and white photos and line drawings; publisher's advertising bookmark attached with silk rope.
Head and tail of spine gently pushed and rubbed; a touch shaken; gilt has dulled; corners lightly bruised and abraded; shallow ding on the fore edge of the front board; edges of text block a little dust toned with very light foxing; endpapers toned and lightly foxed, previous bookseller's sticker inside the front cover; faint yellowing to the outer margins with shallow rippling throughout, otherwise clean and bright. Item #1051
An early effort to standardise and provide scientific merit to the skill of joint manipulation.