The Principles of Physical Optics: An Historical and Philosophical Treatment (Dover Books on Physics) by Ernst Mach English | September 18, 2003 | ISBN: 0486495590 | EPUB | pages | 9.6 MB
Principles of Geology, Volume I: An Attempt to Explain the Former Changes of the Earth's Surface, by Reference to Causes now in Operation By Charles Lyell Publisher: <C>U|P 2009 | 540 Pages | ISBN: 1108001351 | PDF | 10 MB