00589cam a2200193 4500 102428380 TxAuBib 20070505120000.0 040601s2004||||||||||||||||||||||||eng|u 12490 Project Gutenberg PGUSA eng TxAuBib Scientific American Supplement, No. 492, June 6, 1885 [Gutenberg] / by Various. Project Gutenberg, 2004. Project Gutenberg. Freely available. Electronic text. Science -- Periodicals. http://www.gutenberg.org/license Rights TXCAN