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Electric Locomotive for Mines

On the Constitution of the Electric Spark

Electric Pumps for Boilers

Some Notes on Electrotyping, Plating and Gilding

A Tube Tunnel under the Spree

The Glasgow Cable Railway

A Modern Gas Power Plant

By Horace Allen

Working and Hardening Steel

Keith's Automatic Liquid Elevator

Very Convenient Machine for Drawing Water from a Well Remote from the House through a First or Second Story Window

Converting Sludge into Fuel

The Early History of Cast Iron Pipe

Photographic Waste Material and what to do with It

Leftomania

Developer for Films

Electrical Notes

Miscellaneous Notes

Engineering Notes

Pictures of Southwest Africa

The Lipari Islands

By E. O Hovey

Mental Evolution in Man

By R. M. Bucke

Further Experiments on the Liquefaction of Fluorine

By M. Moissan and J. Dewar

Roller Boats

Notes on the Yacht Defender and the use of Aluminum in Marine Construction

By Richmond Pearson Hobson

The Condition of the Laboring Classes in Mexico

Lafcadio Hearn on Japanese Art

The Calcium Carbide Industry

How Worry Affects the Brain

Patents!

Straightening a Church Spire

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    December 18, 1897

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