Babbage, Charles, 1791-1871
On the Economy of Machinery and Manufactures [recurso electrónico] / Charles Babbage - Project Gutenberg, 2003 - Project Gutenberg 4238 .
Public domain in the USA.
Text
Manufactures Machinery
TJ
On the Economy of Machinery and Manufactures [recurso electrónico] / Charles Babbage - Project Gutenberg, 2003 - Project Gutenberg 4238 .
Public domain in the USA.
Text
Manufactures Machinery
TJ