SA Supplements

Bietrix's Vertical and Horizontal Compound Engine

Meters for Power and Electricity

Improved Gas Engine

Filter for Industrial Works

Raising and Moving Masonry Buildings

Proper Shoeing

The Val St. Lambert Glass Works

Measuring Starch Granules

Ideas

Detective Photography

Photographs for Studying the Movements of Men and Animals

The History of the Electric Telegraph

A New Sulphate of Copper Pile

The Decay of the Building Stones

Lodges

The Education of German Women

Elephants Moving Timber at Moulmein, Burmah

Strength of Yellow Pine

Filth Diseases in Rural Districts

Science in Antiquity

Horse Medicine Bit

The Physiology of Sleep

A New Method for the Detection of Sugar in the Urine

Preparation of Chlorhydrines

Copper Alloys among the Ancients

Chemical Compounds made by Compression

The Big Trees of California

Patents