TY  - BOOK
AU  - Porter,Rufus
TI  - Scientific American magazine Vol 2. No. 3 Oct 10 1846: The Advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
AV  - T 
PY  - 2009///
PB  - Project Gutenberg
KW  - Technology -- Periodicals
KW  - Science -- Periodicals
N1  - Public domain in the USA; Electronic text
UR  - http://www.gutenberg.org/ebooks/29411
ER  -