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Scientific American Supplement, No. 288, July 9, 1881   By:

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Olaf Voss, Don Kretz, Juliet Sutherland, Charles Franks and the Online Distributed Proofreading Team.

[Illustration]

SCIENTIFIC AMERICAN SUPPLEMENT NO. 288

NEW YORK, JULY 9, 1881

Scientific American Supplement. Vol. XI, No. 288.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

TABLE OF CONTENTS.

I. ENGINEERING AND MECHANICS Dry Air Refrigerating Machine. 5 figures. Plan, elevation, and diagrams of a new English dry air refrigerator

Thomas' Improved Steam Wheel. 1 figure

The American Society of Civil Engineers. Address of President Francis, at the Thirteenth Annual Convention, at Montreal. The Water Power of the United States, and its Utilization

II. TECHNOLOGY AND CHEMISTRY. Alcohol in Nature. Its presence in earth, atmosphere, and water. 6 figures. Distillatory apparatus and (magnified) iodoform crystals from snow water, from rain water, from vegetable mould, etc.

Detection of Alcohol in Transparent Soaps. By H. JAY

On the Calorific Power of Fuel, and on Thompson's Calorimeter. By J.W. THOMAS

Explosion as an Unknown Fire Hazard. A suggestive review of the conditions of explosions, with curious examples

Carbon. Symbol C. Combining weight. 12. By T. A. POOLEY Second article on elementary chemistry written for brewers

Manufacture of Soaps and their Production. By W. J. MENZIES

The Preparation of Perfume Pomades. 1 figure. "Ensoufflage" apparatus for perfumes

Organic Matter in Sea Water

Bacteria Life. Influence of heat and various gases and chemical compounds on bacteria life

On the Composition of Elephant's Milk. By Dr. CHAS. A. DOREMUS. Comparison of elephant's milk with that of ten other mammals

The Chemical Composition of Rice. Maize, and Barley. By J. STEINER

Petroleum Oils. Character and properties of the various distillates of crude petroleum. Fire risks attending the use of the lighter petroleum oils

Composition of the Petroleum of the Caucasus. By P. SCHULZENBERGER and N. TONINE

Notes on Cananga Oil. or Ilang Ilang Oil. By F. A. FLÜCKIGER. 1 figure. Flower and leaf of Cananga odorata

Chian Turpentine, and the Tree which Produces It. By Dr. STIEPOWICH. of Chios, Turkey

On the Change of Volume which Accompanies the Galvanic Deposition of a Metal. By M. E. BOUTY

Analysis of the Rice Soils of Burmah. By R. ROMANIC, Chemical Examiner, British Burmah

III. PHYSICS AND PHYSICAL APPARATUS. Seyfferth's Pyrometer. 7 figures. Pyrometer with electric indicator. Method of mounting by means of a cone on vacuum apparatus. Mounting by means of a sleeve. Mounting by means of a thread on a tube. Mounting by means of a clasp in reservoirs. The pyrometer mounted on a bone black furnace. Mounted on a brick furnace

Delicate Scientific Instruments. By EDGAR L. LARKIN. An interesting description of the more powerful and delicate instruments of research used by modern scientists and their marvelous results

The Future Development of Electrical Appliances. Lecture by Prof. J. W. PERRY before the London Society of Arts. Methods and units of electrical measurements

Researches on the Radiant Matter of Crookes and the Mechanical Theory of Electricity. By Dr. W. F. GINTL

Economy of the Electric Light. W. H. PREECE'S Experiments Investigations

On the Space Protected by a Lightning Conductor. By WM. H. PREECE. 5 figures

Photo Electricity of Fluor Spar Crystals

The Aurora Borealis and Telegraph Cables

The Photographic Image: What It Is. By T. H. MORTON. 1 figure... Continue reading book >>


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