TY  - SER
TI  -  Scientific American, Vol. XXXIX.—No. 24. [New Series.], December 14, 1878 : :  
AV  - T 
PY  - 2012///
PB  -  Project Gutenberg, 
KW  -  Technology -- Periodicals
KW  -  Science -- Periodicals
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/38480
ER  -