TY  - BOOK
TI  - Scientific American, Volume 40, No. 13, March 29, 1879: A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
AV  - T 
PY  - 2006///
PB  - Project Gutenberg
KW  - Technology -- Periodicals
KW  - Science -- Periodicals
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/18866
ER  -