00561cam a2200169 4500 148939554 TxAuBib 20091208120000.0 130722s2013||||||||||||||||||||||||eng|u 43282 Project Gutenberg PGUSA eng TxAuBib Scientific American, Vol. XXXIX.—No. 6. [New Series.], August 10, 1878 [Gutenberg] / Various. Project Gutenberg, 2013. Freely available. Electronic text. http://www.gutenberg.org/ebooks/43282 http://www.gutenberg.org/license Rights