Knox, George Willard.
Light, vision and lenses; an introduction text-book of geometrical, physiological and ophthalmic optics, by G.W. Knox and V.J. Ellerbrock.
Optics.
Lenses.
Optics and Photonics.
Optique physiologique.
Lunettes.
Optics. fast (OCoLC)fst01046845
Text
1949
Ellerbrock, Vincent J.