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Scientific American Supplement, No. 365, December 30, 1882   By:

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 365

NEW YORK, DECEMBER 30, 1882.

Scientific American Supplement. Vol. XIV., No. 365.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

TABLE OF CONTENTS.

I. ENGINEERING AND MECHANICS. Louis Favre, Constructor of the St. Gothard Tunnel. 2 figures. Portrait and monument at Turin to commemorate the tunneling of the Alps 5817

The New Harbor of Vera Cruz. New artificial harbor for Vera Cruz. Capt. Eads's plan. 1 figure. Plan of harbor and improvement 5818

Cost of Power to Make Flour 5818

Driving gear Mechanism for Lift Hammers. 2 figures 5819

De Junker and Ruh's Machine for Cutting Annular Wheels. 3 figures 5819

Recent Hydraulic Experiments. Results of experiments on the flow of water in the Ganges Canal 5819

The Germ: Shall It be Retained in Flour? By Arthur Atkins 5820

Wheat Tests 5820

II. TECHNOLOGY AND CHEMISTRY. Apparatus for Manufacturing Gaseous or Aerated Beverages. 11 figures. Bicarbonate of soda apparatus. Generator. Washer. Suction pump. Saturator. Apparatus for using carbonate of lime. Apparatus completely mechanical in operation 5815

Detection and Estimation of Fusel Oil 5816

On Silicon. Curious formation of silicide of platinum 5816

Stannous Nitrates. The formation of explosive compounds in machines by the corrosion of bronze and tin solder 5816

Metallic Thorium. By L.F. Nilson 5816

Friedrich Wöhler. Obituary notice of the great German chemist 5816

Apparatus for Printing by the Blue Process. By Channing Whitaker. 3 figures 5820

III. ELECTRICITY, LIGHT, HEAT, ETC. Spectrum Gratings 5822

A New Pocket Opera Glass. 4 figures 5822

Atoms, Molecules, and Ether Waves. By JOHN TYNDALL. Action of heat and light on molecules. Heat as an agent in exploring molecular conditions. The results of a recent incursion into the extra sensible world of atoms and molecules 5823

Apparatus for Measuring Electricity at the Upper School of Telegraphy. By E. MERCADIER. 5 figures. Constant vibrator. The Electrical tuning fork. Arrangement for testing electric piles. Very rapid electric tuning fork. A vibrating micrometer 5824

IV. NATURAL HISTORY. Our Origin as a Species. By RICHARD OWEN. The Neanderthal skull. Differential characters between the lowest Homo and the highest Simia 5825

The Aba or Odika. By Dr. W.H. BACHELER. A remarkable tree of West Africa 5826

California Cedars 5826

APPARATUS FOR MANUFACTURING GASEOUS OR AERATED BEVERAGES.

The apparatus employed at present for making gaseous beverages are divided into two classes intermittent apparatus based on chemical compression, and continuous ones based on mechanical compression.

The first are simple in appearance and occupy small space, but their use is attended with too great inconveniences and losses to allow them to be employed in cases where the manufacture is of any extent, so the continuous apparatus are more and more preferred by those engaged in the industry... Continue reading book >>


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