SCIENTIFIC AMERICAN SUPPLEMENT. Nos. 694, 69.5. George H. Hurst, F.C.S.. on the fatty product from the and to persons about to build for themselves they will washing of wool, its composition and the derivatives and 696. Price 10centseach. To be had at this office find the work suggestive and most… … Pittsburgh, Pa., lectures delivered by Capt. W. De W. Abney, F.R.S., on EPPS’S the question of what causes colors and what causes the THE LABORER AND HIS EMPLOYER. Manufacturers of everything needed for fading of some of them through the influence of light. ARTESIAN WHLLS —A lecture by Francis A.…
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