SA Supplements Vol 17 Issue 418supp

SA Supplements

Volume 17, Issue 418supp

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Features

Bismarck Bridge over the Missouri River and Northern Pacific Railway

The Panama Canal

The German Corvette Prince Adalbert

How to make Concrete Walls

Poor Economy

Imitation of the Phenomena of Electricity and Magnetism by Liquid or Gaseous Currents

Scamoni's Electrotype Method of Reproducing Photo-Reliefs

The New City Hall, Vienna

Equivalents of Metals by means of their Sulphates

H. Baubigny

The Estimation of Sulphur in Coal Gas

Sewer Gas and its Dangers

G. W. Mccaskey

A New Residual Product from the Distillation of Coal

George E. Davis

Demerara Greenheart

Entomology and Medical Science

Chiswick

Obscured Glass for Vineries

Irrigation in California

The Ice of Greenland and the Antarctic

Our Animal Enemies and Allies Reconsidered

Departments

Patents - January 5, 1884