as as follows: Best into a system. It was decided to attempt the deter- exact, we analyze the sample, and find it to consist of English vermilion, mineral orange, light chrome yel- mination within reasonable limits of the composition 89 parts black, 5 parts red, and 6 parts orange. Accord- low,… … wise color reflects to the riment, and the various 1. Order card and formnU. 2. Wheel and color iiskt. 3. The complete apparatus. 4. Experimental tup. 6. Co!*r dtek eye a greater or less pro- colored disks may be read- ily adjusted and clamped portion of the white light A MECHANICAL COLOR TEST.…
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-270-143.webp)
