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Manufacture of Sugar in Tablets

Preservative Treatment of Timber

By Octave Chanute

The Cork Industry in Spain

Mechanical Maturing of Spirits

The White Star Steamer Teutonic

The Requirements of a Perfect Valve

Improved Tree Cutting Machinery

A New Mode of Wheel Cutting

A New Process for Generating and Cutting the Teeth of Spur Wheels

By Ambrose Swasey

The Power of Water, or Hydraulics Simplified

Flow from sub surface orifices


The Spectroscopic Properties of Dust

The Electromagnet

Modifications of the Coil and Plunger

By Silvanus P. Thompson

The Migration of the Salmon

Building Plans and Specifications

Useful Engineering Books


(Hydrate of Alumina)

The Bleaching of Wool and Silk


  • Departments

    Patents!- February 14, 1891

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