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Charles Francis Brush

Telephoning Extraordinary

Synchronous-Multiplex Telegraphy in Actual Practice

By Edwin J. Houston

A Metastatic Heat Regulator

By N. A. Randolph

Experiments on Lightning Conductors

Electric Lamps in Fogs

British Association for the Advancement of Science, at Montreal

Railway and Road Bridge, Cologne

The Forth Bridge

By B. Baker

A Balloon-Steering Experiment

The Forth Railway Bridge

Renard and Krebs' Electric Balloon

Aerial Navigation

Improved Rotary Engine

Management in Life Insurance

A Water Line Apparatus

The Wolf Safety Lamp

Steel Railroad Ties

Improved Mechanical Stoker

Benzine from Coal Gas

By George E. Davis

Phosphoric Acid from Slags

By C. Scheibler

Determination of Manganese in Iron

Cottages Near Flixton

New Cathedral of Moscow

Fusel Oil in Candies

Electric Fishes

The Tonkin Gibbon

Mode of Localizing Bullets


Postal Box


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    October 04, 1884

    20% Sitewide for President's Day