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An Electrical Cabinet

By M. Hopkins

Sir William Fothergill Cooke

Apparatus made from Parts of the Electrical Cabinet

Physical Society, London, June 28, 1879

By W. G. Adams

The New Form of Leclanche Battery

By H. Tobler

Casting White Metal around Axles

Railway Brake Experiments

New French Torpedo Boats


Combustion of Coal in Boiler Furnaces

Coal Mining at Mt Diablo, Cal

Aerial Navigation

Artificial Flight

By F. W. Brearey

Triangular Blast-Holes

Furnace for the Combustion of Refuse Matters

Fireproof Pillars

New Canals in Russia

Vase Flower Bed at the Paris Exhibition

The Farmer's Pests

The “Universal” Horse Rake

New Remedy for the Potato Bug

Elt Hats, how they are made, and the Diseases Suffered by the Workmen

By L. Dennis

Royal Architectural Museum Sketching Club. — Sketches of Ornament from Salisbury, Etc.

Paper Bags

Stereotyping and Stereotypers' Machinery

The Beginnings of Life.—IV

Beings Intermediate Between Animals and Plants

By Edmond Perrier

The Brooklyn Treatment of Diphtheria

By Paul H. Kretzschmar

Absorption of Ultra Violet Rays by the Atmosphere

By A. Cornu

Characteristics of Animal Fibers

Experiments on the Flow of Solids

Nickelizing without Electricity

Preparation of Ammonia-Free Distilled Water

By J. S. Thomson

Preservation of Wood by Creosote

Purification of Mercury

By J. W. Bruhl


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    August 30, 1879

    20% Sitewide for President's Day