Illus. in: Vegetable staticks / Stephen Hales. London : W. and J. Innys, 1727, plate 5, p. 88. Published in: The tradition of science / Leonard C. Bruno. Washington, D.C. : Library of Congress, 1987, p. 63.
Image on bottom has annotation: Sold F [i.e. Kemper Thomas] 1920. In album: Reference prints, 1919-1920, numbers 2133-2377, p. [19]. Item titles devised. Prints from negatives 2171 and 2172.