Schadow's Group of the Princesses

The Panama Canal

The French War Ship Neptune

The Port of Cadiz

Launch of H. M. S. Victoria

Interesting Speech of Sir William Armstrong

Jardin's Hydraulic Press and Injection Pump

The Cycle and the Road

Practical Lithography in Half-Tone

Refined Slag in the Manufacture of Glass

Natural Gas

Diffusion Plant for Cane Sugar

Electric Lamp for Divers

Sibley College Lectures.—1886–87

The Cornell University Non-Resident Lecturers in Mechanical Engineering V. Systems of Distribution of Electricity

Pellat's Absolute Amperemeter

Composite Steel and Iron

Correction

The Wave Theory of Sound Considered

MacCord's Table

Iron and Steel Analysis

Antoine Laurent Lavoisier

Taking a Bullet from the Brain

Curious Optical Illusion

Building Plans and Specifications