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SA Supplements Vol 27 Issue 695supp

SA Supplements

Volume 27, Issue 695supp

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Features

A New Suit Under Electric Dynamo Construction Patents

On the use of Tobacco

Francke H. Bosworth

New Treatment of Ataxia

Traumatic Epilepsy Successfully Treated by Trephining

Assistant Surgeon to the Manchester Royal Inlirmary and Surgeon to the Clinical Hospital for Women and Children

F. A. Southam

Removal of Tattoo Marks

Composite Gearing

Involute and Epicycloidal Systems Combined

C. W. MacCord

Paris Exposition-Elevators at the Eiffel Tower

The Bernier Hot Air Engine

Shaping Sheet Metal by Fluid Pressure

Sulphuric Acid

The Discharge of a Leyden Jar

Oliver J. Lodge

”Platino-Uranotype“and “Mercuro-Uranotype,” Two New Uranium Printing Processes

Arc Lamps and their Mechanism

Silvanus P. Thompson

Polarized Light

Candle Lamp

J. Martin

A Spectroscope with Fluid Prism

A. F. Miller

Galileo and the Microscope

Optical Phenomena of the Atmosphere

Halos and Mock Suns

The Loss of Nitrogen Caused by Working and Aerating the Soil

The “Sturmer” Chess Board and Magic Squares

Edwin Sturmer

Natural Gas in Louisville, Ky

Building Plans and Specifications

Useful Engineering Books

Nickel and Cobalt

Separation of Oxygen from the Atmosphere

H. N. Warren