00569cam a2200181 4500 100315598 TxAuBib 20070420120000.0 040912s2004||||||||||||||||||||||||eng|u 13443 Project Gutenberg PGUSA eng TxAuBib Scientific American Supplement, No. 795, March 28, 1891 [Gutenberg] / by Various. Project Gutenberg, 2004. Project Gutenberg. Freely available. Electronic text. Science -- Periodicals. http://www.gutenberg.org/license Rights