Volume 19, Issue 493supp
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Features
Hotchkiss Machine Guns
Aerial Navigation
De Locht's Pantelephone
Apparatus for Determining the Electric Charges of Falling Rain
Experiment Illustrating Discharge of Electricity from Clouds
Military Telegraph
Electric Light Machinery
Electric Lighting of Carriages
Jablochkoff's Auto-Accumulator
The Distribution of Electrical Energy by Secondary Generators
A New Photometer for Diffused Light
On the Real Value of Lubricants, and on the Correct Method of Comparing Prices
The Fahnehjelm Water Gas Incandescent Light
The Process of Bronze Casting as Applied to Sculpture
Hints on Plastering, Mortars, Etc
Foudroyant Cholera
Extraction of a Pistol-Ball from the Brain
Southwell Cathedral
A Rifle Expert
On the Devonian Age of the Green Pond Mountain Rocks
Experts in Shooting
New Japanese Oak
(Quercfs Serrata)