Joseph Janvier Woodward 1871 Section of Kidney of Frog [Report to the Surgeon General of the United States Army on an improved Method of Photographing Histological Preparations by Sunlight" - Issued by the U.S. War Department Surgeon General's Office - Plate No. 4 (of 9).]
On fancy mount 14 x 11 inches (35x28 cm) with gilt imprint "WAR DEPARTMENT, Surgeon General's Office, Army Medical Museum… by J. J. WOODWARD, Asst. Surg., U.S.A. / By order of the Surgeon General."
With pasted-on printed label reading "SECTION OF KIDNEY OF FROG. From a carmine imbibition. Some of the tubuli uriniferi are cut transversely, others obliquely. The nuclei of the secreting cells are well shown. Magnified 400 diameters. Negative No. 373, New Series."
