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قراءة كتاب Scientific American Supplement, No. 620, November 19,1887

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‏اللغة: English
Scientific American Supplement, No. 620, November 19,1887

Scientific American Supplement, No. 620, November 19,1887

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دار النشر: Project Gutenberg
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SCIENTIFIC AMERICAN SUPPLEMENT NO. 620

NEW YORK, NOVEMBER 19, 1887

Scientific American Supplement. Vol. XXIV., No. 620.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

TABLE OF CONTENTS.
I. ARCHITECTURE—Bristol Cathedral—The history and description of this ancient building, with large illustration.—1 illustration. 9904
II. BIOGRAPHY—Oliver Evans and the Steam Engine.—The work of this early pioneer, hitherto but slightly recognized at his true worth as an inventor. 9896
III. CHEMISTRY—The Chemistry of the Cotton Fiber—By Dr. BOWMAN—An interesting investigation, showing the variation in composition in different cottons. 9909
Synthesis of Styrolene. 9910
Notes on Saccharin. 9910
Alcohol and Turpentine. 9910
IV. ENGINEERING—Auguste's Endless Stone Saw—A valuable improvement, introducing the principle of the band saw, and producing a horizontal cut—10 illustrations. 9896
V. ELECTRICITY.—A Current Meter—The Jehl & Rupp meter for electricity described—1 illustration. 9903
Mix & Genest's Microphone Telephone—The new telephone recently adopted by the imperial post office department of Germany—3 illustrations. 9902
Storage Batteries for Electric Locomotion—By A. RECKENZAUN—A valuable paper on this subject, giving historical facts and working figures of expense, etc. 9903
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 the eyesight.—The invention of Dr George J. Bull.—3 illustrations. 9908
X. SANITATION AND HYGIENE—The Sanitation of Towns—By J. GORDON, C.E.—A presidential address before the Leicester meeting of the Society of Municipal and Sanitary Engineers and Surveyors of England. 9909
XI. TECHNOLOGY—A New Monster Revolving Black Ash Furnace and the Work Done with It—By WATSON SMITH—The great furnace of the Widnes Alkali Company described, with results and features of its working—4 illustrations. 9900
Apparatus Used for Making Alcohol for Hospital Use during the Civil War between the States—By CHARLES K. GALLAGHER—A

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