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Classification of Mowers and Reapers

By Alfred L. Kennedy

Ornamental Planting

Composition of the Milk of Cows of Different Breeds

By E. Marchand

Artificial Horse Dung

By Mayer

Absorption of Selenium By Plants

By Charles A. Cameron

Temperature of Soils

By E. Wollny

Sowing Oats and Wheat Together

Socrates on Agriculture

Shea Butter

By E. M. Holmes

Peroxide of Hydrogen

By George E. Davis

Thermo-Chemical Investigation


Excretion of Phosphoric Acid in the Herbivora

By J. Bertram

Composition of a Boiler Incrustation

By Alfred Smetham

Artificial Preparation of Manganic Peroxide

By A. Gorgeu

Analysis of Organic Bodies Containing Halogens of Nitrogen

By Hugo Schiff

The Manufacture of Magenta by Coupler's Process

By C. Haeussermann

Test for Mercurial Vapors

Relations between the Chemical Composition and the Mechanical Properties of Steel

By V. Deshayes

Purification of Saccharine Juices with Hydrate of Alumina

By O. Kohlrausch

On the Elimination of Phosphorus in the Bessemer Converter

By Sidney G. Thomas and C. Gilchrist

On the Gases Inclosed in Iron and Steel

Notes of Practice and peculiarities of Treatment at Philadelphia Hospital

Wards for Diseases of the Nervous System

Value of Rest in the Treatment of Disease

By Arthur E. T. Longhurst

The Guaiacum and Ozonic Test for Blood

Intellect in Brutes

The Circulation of the Blood

By Th. Moureau

How Much Will a Locomotive Pull?

A Valuable Insect

The Steam Yacht Wanderer

The Desman

Improved Oscillating Engine

By Fournier Levet

Sonometry by Electrical Induction

On Spirality of the Energy in Bar Magnets

By R. C Shettle

Formation of the Universe

Photographing on Wood

By T. C. Harris

New Catadioptric Telescope

M. Janssen's Observations and Observatory at Meudon

Metallic Plates for Printing, Etc

The Photography Of Vision

By W. S. Bird

The Saltpeter Caves in Virginia

By H. Haupt

Life in Persia

Life in the Oil Regions of the United States

By Boverton Redwood

Uniform Time

American Swordfisheries


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    July 12, 1879

    20% Sitewide for President's Day