8vo. xxi, 389, [5 ads.] pp. 11 plates (6 photo, 5 color) BOUND IN THE REAR OF THE BOOK, 1 folding plate of cystoscopes, 133 text figs. Original black-stamped grey cloth; some neat kozo repairs. Rubberstamp on half-title: 'Rezensions-Exemplar' [Reviewer's copy]. Andras Gedeon's copy. Very good. FIRST PRINTING of THE FIRST ENDOSCOPIC PHOTOGRAPHS (issued in this second - and preferred - edition). 'In these reports Nitze describes the first version of his cystoscope and its proper use. The major advance compared to previous efforts is the platina wire that he places at the tip of the device as a light source for the illumination of the urinary bladder. The instrument needs to be fitted with water cooling to remove the excess heat produced by the light source but, together with an optical arrangement for wide angle viewing of the interior of the bladder, it is far superior to earlier devices.' [Gedeon]. The invention of the cystoscope by Nitze revolutionized endoscopy but his true genius la