SA Supplements

July 1891

Volume 32, Issue 812supp

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Features

Distortion of Outline

Improved Locomotive Crane

Improved Refrigerating Apparatus

R. A. Messervey

Uniformity in Dyeing

Electricity in the Production of Aluminum

M. G. Farmer

Improved Helix-Forming Machine

Crystallization

A New Electric Lamp for Lantern Projection

Wilhelm Eduard Weber

The Adaptation of Stoneware to Chemical Apparatus

W. P. Rix

Speed of Chemical Reactions in Jelly

A Scheme to Establish a Comparative Standard for Alkaloidal Galenicals

J. U. Lloyd

Malt Vinegar

A Novel Method for the Production of Sodium and Potassium Nitrite

H. N. Warren

Electricity in the Purification of Water

M Labrowski

Cadmium Yellow

Compressibility of Hot Water and its Solvent Action on Glass

C. Barus

The Aeration of Water

The Migration of Weeds

Byron D. Halsted

Killing Insect Pests with Hydrocyanic Acid

The Himalayas

Experiment on the Compression of Gases

Tiger Netting

Novelties in Street Advertising

Suggestions as to the Origin and Deposition of Florida Phosphates

Walter B. M. Davidson

A Clock for Pointing out the Direction of the Earth's Orbital Motion in the Ether

The Platinum Industry of the Ural

Coal Product of Illinois, Ohio, Indiana, and Michigan

Our Limestone Industry

William C. Day