00571cam a2200181 4500 100355296 TxAuBib 20070420120000.0 050724s2005||||||||||||||||||||||||eng|u 16353 Project Gutenberg PGUSA eng TxAuBib Scientific American Supplement, No. 421, January 26, 1884 [Gutenberg] / by Various. Project Gutenberg, 2005. Project Gutenberg. Freely available. Electronic text. Science -- Periodicals. http://www.gutenberg.org/license Rights