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SA Supplements Vol 9 Issue 225supp

SA Supplements

Volume 9, Issue 225supp

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Features

Proa Ladronia

A Catamaran Steamer

The Russian Yacht Livadia

Derrick Used at Davis Island Dam

James Harlow

A Feat in Triangulation

The St. Gothard Tunnel

Music in the Sawmills

Modern Autographic Printing Processes

Thomas Bolas

Mirrors in Photography

Dynamo-Electric Machines

Improved Filters

Electric Lighting in London

An Experiment on Induction

Recent Wonders of Light

W. H. Preece

A New Standard of Light

Flow of Viscous Materials—a Model Glacier

The Function of Chlorophyl

Powers of Eyepieces

Mechanical Skid for Raising Casks and Other Packages

Precautions in Comparing Weights

On New Luminous Tubes

M. Treve

The “Egasse” Disinfectant

On the Solubility of Solids in Gases

J. B. Hannay, James Hogarth

Alcohols in Unfermented Fruit Juices

Gutzeit

Julhe's Extraction Apparatus

Examination of Mustard

Channing T. Gage

The Science of Gas Burning

The Ecclesiastical Art Exhibition

Preparations of Crystals for the Polariscope

Nitrogen, Sulphur, and Chlorine in Organic Bodies

P. Spica

Action of Ozone on Certain Noble Metals

A. Volta

Sulphureted Hydrogen in Beer

Mineral Lubricating Oils

Oscar Bremken

Fertilization of Flowers by Humming Birds

Proportions and Conformations of the Horse

Adaptation of Cicindelidæ

The Water Sheds of the State of New York

A Ramble Through Ceylon

The Fossil Lovers

Farming in Southwestern Minnesota

Art and Nature

Fruit Crop of the Country