lphate sometimes it designates the special sensation that we contrasts. of barytes. This sector may be rapidly revolved by How can we proceed in practice to determine comple- experience at the sight of the latter. The distinction be- means of an axle that traverses the box and terminates tween the… … M. Chevreul terms "contrast." But this is not the THE HARMONY OF rig. 1.-APPARATUS is placed for a few seconds in front of the free eye, FOK STUDYING sole means. We shall evidently reach the same COLORS. and a small bright green surface is made to appear result by coloring with a monochrome of…
Patented · Patents · Iron · Valve · Colors · Munn · Scientific American · Device · Hot air · American supplement · Wrought iron · Safety valve · Address munn · Postal order · Steam yacht · Fire box · Year brood
Internet Archive · Public domain (published before 1931). Free to use for anything.
