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Features

Recent Botanical Advances

The Dodder

Recent Botanical Investigations

Electric Launches

By A. Reckenzaun

The First Experiments with the Electric Light

Electrical Grapnel for Submarine Cables and Torpedo Lines

By H. Kingsford

Hughes' New Magnetic Balance

How to Harden Cast Iron

Terrestrial Magnetism

Apparatus for Measuring Small Resistances

The Iron Industry in Brazil

(Province of minas geraes)

By P. Ferrand

The Steamer Churchill

Three-Way Tunnels

Mont St. Michel

Adornments of the New Post Office at Leipzig

Coal Gas as a Labor-Saving Agent in Mechanical Trades

By Thomas Fletcher

Instantaneous Photography

Falconetti's Continuously Primed Siphon

The Weibel-Piccard System of Evaporating Liquids

Comparison of Strength of Large and Small Animals

By W. N. Lockington

Oil in California

Nutritive Value of Condiments

By Helen D. Abbott

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March 29, 1884

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