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SA Supplements Vol 24 Issue 623supp

SA Supplements

Volume 24, Issue 623supp

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Features

Decisions Relating to Patents - December 10, 1887

French Disinfecting Apparatus

Your Future Problems

Charles E. Emery

Benier's Hot Air Engine

Heating Marine Boilers with Liquid Fuel

The Change of Gauge of Southern Railroads in 1886

C. H. Hudson

Torpedo Boats for Spain

The Spanish Cruiser Reina Regente

Film Negatives

Note on the Construction of a Distillery Chimney

How Different Tones in Gelatino-Chloride Prints may be Varied by Developers

The Production of Oxygen by Brin's Process

An Electrical Governor

The Electric Current as a means of Increasing the Tractive Adhesion of Railway Motors and other Rolling Contacts

Elias E. Ries

Electric Launch

The Commercial Exchange, Paris

The Manufacture of Cocaine

The Chemical Basis of Plant Forms

Helen C. De S. Abbott

Synthesis of the Alkaloids

New Method for the Quantitative Determination of Starch

A. V. Asboth

A Group of Hampshire Downs

The Yale College Measurement of the Pleiades

Deep Sea Dredgings: Examination of Sea Bottoms

Thomas T. P. Bruce Warren

Building Plans and Specifications