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SA Supplements Vol 44 Issue 1146supp

SA Supplements

Volume 44, Issue 1146supp

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Features

Electric Locomotive for Mines

Electric Pumps for Boilers

On the Constitution of the Electric Spark

Some Notes on Electrotyping, Plating and Gilding

The Glasgow Cable Railway

A Tube Tunnel under the Spree

Working and Hardening Steel

A Modern Gas Power Plant

Horace Allen

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

Developer for Films

The Early History of Cast Iron Pipe

Photographic Waste Material and what to do with It

Leftomania

Miscellaneous Notes

Electrical Notes

Engineering Notes

Pictures of Southwest Africa

The Lipari Islands

E. O Hovey

Mental Evolution in Man

R. M. Bucke

Further Experiments on the Liquefaction of Fluorine

M. Moissan, J. Dewar

Roller Boats

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

Richmond Pearson Hobson

The Condition of the Laboring Classes in Mexico

Lafcadio Hearn on Japanese Art

The Calcium Carbide Industry

Patents!

Straightening a Church Spire

How Worry Affects the Brain