SA Supplements

May 1880

Volume 9, Issue 226supp

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Features

The St. Gothard Tunnel

The Railroad Signals Now Used

[From the Eleventh Anual Report of the Massachusetts Railroad Commissioners.]

Weirs and Dams in India

The Lace Manufacture of Calais

Concerning Amber

Erminnie A. Smith

Arcot's New Continuous Furnace for Gas Distillation

The Brussels Permanent Exhibition

Lightning Conductors and the Protection of St. Paul's Cathedral

Lost at Sea

Yellow Fever

The Turkish Bath.—What it is, and What it Does

John Stainback Wilson

Salicylic Acid

A Homely Substitute for Cod-Liver Oil

Substitute for Castor Oil

The Medical Uses of Milk

How Urari is Made

Treatment of Phthisis by Inhalations of Benzoate of Soda

The Drainage and Sewerage of Cities

E. Waring

Varnishes for Protecting Iron

Rosin and Fats in Cements and Lubricants

On the Detection of Organic Matter in Water

F. Tiemann, C. Preusse

Printing on Woolen

Gelatine Emulsion for Amateurs

Lactate of Ferrous Oxide Developer

Phosphorescent Powders

Injury to Vegetation by Acid Gases

Ultramarine

C. Furstenan

The Soaking of Woolen Cloth

Properties of the Gum of the Euphorbiaceæ

On the Secular Changes in the Elements of the Orbit of a Satellite Revolving About a Planet Distorted by Tides