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Scientific American Supplement, No. 441, June 14, 1884.   By:

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[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 441

NEW YORK, JUNE 14, 1884

Scientific American Supplement. Vol. XVII., No. 441.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

TABLE OF CONTENTS.

I. CHEMISTRY AND METALLURGY. On Electrolysis. Precipitation of lead, thallium, silver, bismuth, manganese, etc. By H. SCHUCHT

The Electro Chemical Equivalent of Silver

Zircon. How it can be rendered soluble. By F. STOLBA

A New Process for Making Wrought Iron Directly from the Ore. Comparison with other processes. With descriptions and engravings of the apparatus used

Some Remarks on the Determination of Hardness in Water

On the changes which Take Place in the Conversion of Hay into Ensilage. By F.J. Lloyd

II. ENGINEERING AND MECHANICS. Faure's Machine for Decorticating Sugar Cane. With full description and 13 figures

The Generation of Steam and the Thermodynamic Problems Involved. By WM. ANDERSON. Apparatus used in the experimental determination of the heat of combustion and the laws which govern its development. Ingredients of fuel. Potential energy of fuel. With 7 figures and several tables

Planetary Wheel Trains. Rotations of the wheels relatively to the train arm. By Prof. C.W. MACCORD

The Pantanemone. A New Windwheel. 1 engraving

Relvas's New Life Boat. With engraving

Experiments with Double Barreled Guns and Rifles. Cause of the divergence of the charge. 4 figures

Improved Ball Turning Machine. 1 figure

Cooling Apparatus for Injection Water. With engraving

Corrugated Disk Pulleys. 1 engraving

III. TECHNOLOGY. A New Standard Light

Dr. Feussner's New Polarizing Prism. Points of difference between the old and new prisms. By P.R. SLEEMAN

Density and Pressure of Detonating Gas

IV. ELECTRICITY, LIGHT, ETC. Early History of the Telegraph. Pyrsia, or the system of telegraphy among the Greeks. Communication by means of characters and the telescope. Introduction of the magnetic telegraph between Baltimore and Washington

The Kravogl Electro Motor and its Conversion Into a Dynamo Electric Machine. 5 figures

Bornhardt's Electric Machine for Blasting in Mines. 15 figures

Pritchett's Electric Fire Alarm. 1 figure

A Standard Thermopile

Telephonic Transmission without Receivers. Some of the apparatus exhibited at the annual meeting of the French Society of Physics. Telephonic transmission through a chain of persons

Diffraction Phenomena during Total Solar Eclipses. By G.D. Hiscox

V. BOTANY AND HORTICULTURE. Gum Diseases in Trees. Cause and contagion of the same

Drinkstone Park. Trees and plants cultivated therein. With 2 engravings

VI. MEDICINE AND HYGIENE. Miryachit. A newly discovered disease of the nervous system, and its analogues. By WM. A. HAMMOND

VII. MISCELLANEOUS. Turkish Baths for Horses. With diagram.

FAURE'S MACHINE FOR DECORTICATING SUGAR CANE.

The object of the apparatus shown in the accompanying engraving is to effect a separation of the tough epidermis of the sugar cane from the internal spongy pith which is to be pressed. Its function consists in isolating and separating the cells from their cortex, and in putting them in direct contact with the rollers or cylinders of the mill. After their passage into the apparatus, which is naturally placed in a line with the endless chain that carries them to the mill, the canes arrive in less compact layers, pass through much narrower spaces, and finally undergo a more efficient pressure, which is shown by an abundant flow of juice... Continue reading book >>


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