SA Supplements

Capazza's Lenticular Balloon

Stability and Speed of Yachts.—A Problem of Mechanics in Theory and Practice

Guns as Heat Engines

Smokeless Furnaces

Ten Wick's Swiveling Wheel

Inland Navigations in Europe

The Locomotive Decapod

Motor for Sewing Machines

Tank Locomotive, 18-in. Gauge

A Plan for Sewerage

A New Milling Machine

The Manufacture of Wreaths of Immortelles

A New Vacuum Apparatus

The Carbureting of Illuminating Gas

Varley's Flexible Carbon Arc Lamp

The Hydrodynamic Researches of Professor Bjerknes

Some Properties of the Ether

On the Production of Alternating Currents by Means of a Direct Current Dynamo-Electric Machine

Purification of Drinking Water by Alum

The Hon. Sir William R. Grove, D.C.L, F.R.S

The Ammoniaphone

Liquid Paraffin

Hydrogen Dioxide

The Gymna St, Ernst Bohlig

Compound Eyes and Multiple Images

How English Factory Operatives Live

A Large Dragon-Fly

The Culture of Microbes

Northern Corn the Best

Patents - May 30, 1885