Industrial Arts Design :
Varnum, William H.
Industrial Arts Design : A Textbook of Practical Methods for Students, Teachers, and Craftsmen [electronic resource] / William H. Varnum - Project Gutenberg, 2013 - Project Gutenberg 42317 .
Public domain in the USA.
Electronic text
Industrial Arts Design : A Textbook of Practical Methods for Students, Teachers, and Craftsmen [electronic resource] / William H. Varnum - Project Gutenberg, 2013 - Project Gutenberg 42317 .
Public domain in the USA.
Electronic text