00568cam a2200181 4500 100333136 TxAuBib 20070420120000.0 050516s2005||||||||||||||||||||||||eng|u 15833 Project Gutenberg PGUSA eng TxAuBib Scientific American Supplement, No. 441, June 14, 1884 [Gutenberg] / by Various. Project Gutenberg, 2005. Project Gutenberg. Freely available. Electronic text. Science -- Periodicals. http://www.gutenberg.org/license Rights