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Features

Wire Apparatus for Laboratory Use

By Geo. M. Hopkins

Aerial Navigation

Hotchkiss Machine Guns

Military Telegraph

De Locht's Pantelephone

Apparatus for Determining the Electric Charges of Falling Rain

Experiment Illustrating Discharge of Electricity from Clouds

The Distribution of Electrical Energy by Secondary Generators

By J. Dixon Gibbs

Electric Light Machinery

Electric Lighting of Carriages

Jablochkoff's Auto-Accumulator

A New Photometer for Diffused Light

The Fahnehjelm Water Gas Incandescent Light

By R. W. Raymond

On the Real Value of Lubricants, and on the Correct Method of Comparing Prices

By Robert H. Thurston

The Process of Bronze Casting as Applied to Sculpture

Hints on Plastering, Mortars, Etc

Foudroyant Cholera

Extraction of a Pistol-Ball from the Brain

By William F. Fluhrer

Southwell Cathedral

Experts in Shooting

On the Devonian Age of the Green Pond Mountain Rocks

A Rifle Expert

City Telegraph Wires

New Japanese Oak

(Quercfs Serrata)

Earthenware Jars for Ferns

Patents

Departments

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    June 13, 1885

    Help Us Reforest the Mississippi River Valley