Scientific American Supplement, No. 620, November 19,1887 by Various
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page 3 of 138 (02%)
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The Telemeter System--By R.F. UPTON--The system of Ö.L. Clarke,
of New York, as described before the British Association--A valuable tribute to an American inventor--1 illustration. 9900 VI. METALLURGY.--The Newbery-Vautin Chlorination Process--A new process of extracting gold from its ores, with details of the management of the process and apparatus--1 illustration. 9907 VII. MISCELLANEOUS.--A Gigantic Load of Lumber--The largest barge load of lumber ever shipped--The barge Wahnapitæ and her appearance as loaded at Duluth--1 illustration. 9907 Apparatus for Exercising the Muscles--An appliance for use by invalids requiring to exercise atrophied limbs--1 illustration. 9908 Practical Education.--A plea for the support of manual training schools. 9906 Waves--The subject of ocean waves fully treated--An interesting _resume_ of our present knowledge of this phenomenon of fluids. 9906 VIII. NAVAL ENGINEERING--The New Spanish Armored Cruiser Reina Regente.--Illustration and full description of this recent addition to the Spanish navy.--1 illustration. 9895 The Spanish Torpedo Boat Azor--Illustration and note of speed, etc., of this new vessel--1 illustration. 9895 IX. OPHTHALMOLOGY--The Bull Optometer--An apparatus for testing |
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