Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880
A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
en
~3 hours (198K characters)
Project Gutenberg
Produced by Juliet Sutherland, Lesley Halamek, and the Online Distributed Proofreading Team at http://www.pgdp.net