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The Central Lighting Station of the Societe Gramme at the Paris Exhibition

On the Propagation of Electric Waves through Wires

By H. Hertz

An Electro-Plating Dynamo

By Geo. M. Hopkins

The Sidero Cement Pipe

The Origin of the Metric System

By Walter B. Scaife

How to make Relief or Printing Plates

The Joyce Process

By Maurice Joyce


Chimney Construction

Phosphorus in Iron and Slag

The New German Rifled Mortars

The Bendego Meteorite

Compressibility of the Gases Oxygen, Hydrogen, Nitrogen, and Air up to the Pressure of Three Thousand Atmospheres

By E. H. Amgat

The History of the Great American Lakes

By J. S. Newberry

Odoriferous Grasses of India and Ceylon

Old Mission San Jose Gardens


By W. H. Gower

A New Parasite of Birds

Maize Oil in Pharmacy

By Geo. W. Kennedy

The International Congress on Hypnotism

The Brown-Sequard Discovery

By G. Archie Stockwell

The Treatment of Pneumonia by Tepid Baths

By George N. Kreider

Building Plans and Specifications

Useful Engineering Books


  • Departments

    Patents- October 19, 1889

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