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Tissandier's Electric Balloon

Exploration of Caves by Electricity

On Secondary Batteries and the Electrical Storage of Energy

By Olives Lodge

The Most Sensitive Galvanoscope

By Ernst Von Fleischl

Firing of the Multicharge Gun

The Haskell Multicharge Gun

Elevated Tracks in new Orleans

Improved Vertical Tubular Steam Boilers

The Blair Bridge, Nebraska

Feldmann's Apparatus for the Distillation of Ammoniacal Liquor

U. S. Launch Stella

The Liquefaction of Oxygen and the Solidification of Carbon Disulphide and Alcohol

By S. V. Wroblewski and K Olszewski

The American Dredge Boats at Panama

Lime Cartridges for Blasting

The Sand Blast File Sharpener

Earth Movements in Java

By Richard Proctor


The American School at Athens

The Swiss Meteorological Observatory on Mount Santis

A Stroke of Lightning

Portable Disinfecting Chamber

Premature Baldness

Some Observations on Albuminuria


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December 22, 1883