Friction, Lubrication and the Lubricants in Horology
Lewis, William T.
Friction, Lubrication and the Lubricants in Horology [electronic resource] / William T. Lewis - Project Gutenberg, 2011 - Project Gutenberg 35001 .
Public domain in the USA.
Electronic text
Friction, Lubrication and the Lubricants in Horology [electronic resource] / William T. Lewis - Project Gutenberg, 2011 - Project Gutenberg 35001 .
Public domain in the USA.
Electronic text