[Gass tablets, Davenport, Iowa]
Subtitle: A letter to Prof. F.W. Putnam. March 15, 1877
Published: 1877
Place of publication: n.p
Language: eng
Notes: Manuscript with clippings from Davenport Gazette, Feb. 28, and March 10, 1877; manuscript copy of article appearing in the Davenport Gazette for February 23, 1877, also 2 pl. with heading Davenport academy of sciences.