The principles of light and color: including among other things the harmonic laws of the universe, the etherio-atomic philosophy of force, chromo chemistry, chromo therapeutics, and the general philosophy of the fine forces, together with numerous discoveries and practical applications .. . opper. v^v I 266 CHROMO-CHEMISTRY, I and 2 are the broader atoms of Conner, 1being- encased in 2 and consequently losing the£ effect of its color spirals, while in the case of 2 wehave the color spirals complete, which must re-flect to the eye the reddish orange color peculiarto copper. 3 and 4 are atoms of
The principles of light and color: including among other things the harmonic laws of the universe, the etherio-atomic philosophy of force, chromo chemistry, chromo therapeutics, and the general philosophy of the fine forces, together with numerous discoveries and practical applications .. . opper. v^v I 266 CHROMO-CHEMISTRY, I and 2 are the broader atoms of Conner, 1being- encased in 2 and consequently losing the£ effect of its color spirals, while in the case of 2 wehave the color spirals complete, which must re-flect to the eye the reddish orange color peculiarto copper. 3 and 4 are atoms of oxygen ; 3 is toonarrow to receive 2 fully, consequently the color-spirals of 2 are not concealed. 4, being anothernarrow atom of oxygen, cannot encase 3, conse-4 quently we have the color effects of the oxygenatom 3, which, when combined with the coppercolor of 2, will give a dark effect, that is some-\^/ times called black oxide of copper. 4 is encased 16S. Combined by the next atom which is copper, and conse-Atoms. quently its color effect is lost. Thus we have half the atoms of each element which produce color effects, andso get the combined effect of both. In the same way we maysuppose the yellow atoms of gold to combine with the blue atomsof oxygen to produce a green Fi 4. Progressive Color Change. As the electric elements in a binary compound predominatemore and more over the thermal or basic elements, the color ofthe compound tends towards the red end of the spectrum, passingperhaps from the blue to the yellow-green or yellow, then to theorange, or red, or reddish brown in the outer verge of the In Chromium sesquioxide (Cr203) the color is green. In Chromium dioxide (Cr02) the color is yellow-green. In Chromium trioxide (Cr03), the color is red. In the above sesquioxide the electrical element of oxygen ap-pears in quantities half as great again as the thermal base chro-mium, in the dioxide twice as great, in the trioxide three timesas great. Other el
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