TY  - BOOK
TI  - Scientific American, Volume 22, No. 1, January 1, 1870: A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
AV  - T 
PY  - 2005///
PB  - Project Gutenberg
KW  - Technology -- Periodicals
KW  - Science -- Periodicals
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/8952
ER  -