S. +0 The Coloring of Soap and Candles, named rosbengal, rhodamin, and eosin are most com- We reprint from the SCIENTIFIC AMERICAN an illus- monly used. These colors, when dissolved, have a The problem of giving soaps and candles a beautiful tration of Col. King’s great magnet, made several years… … was born 110 years ago. CANNON MAGNETS. color fades on exposure. A mineral Henry McCaulley, the oldest man in yellow is chrome yellow (chromate of Michigan, died at Battle Creek, Mich., lead), which has the same advantages and disadvan- tages as chrome red. giving preference to the colored goods.…
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