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Scientific American, Vol. 66, No. 23 (1892) (1892)

leaf 8

An illustration from Scientific American, Vol. 66, No. 23 (1892), 1892, leaf 8
e process employed is very simple, and consists in +0 means of determining it accurately. A quarter of it preparing a small photograph on chloride of silver The Solar Heat, was a heavy lift for a strong man, and it was all that paper, and dipping it into a solution of bichloride of An interesting… … PHOTOGRAPHIC CIGAR HOLDER. present rate of radiation is or skin. They adhered to each 0°000004972 feet in one second, or other, forming a large mass, which It is necessary to prepare the photographs without 156°9 feet in a year, or 29,716 miles in a thousand had to be literally torn apart to…

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