Features
Artificial Milk
International Congresses at the Centennial
Egypt at the Exhibition
Prospects of the Department of Education
The Ohio Centennial Building
Exhibition notes
Locomotive for the Western Railway of France
New Traction-Engine
Novel Speed-Indicator
Examples of the Crystallization of Wrought-Iron
Wear of Wire Rope
Hydraulic Locomotive
Proceedings of Societies
American Social Science Association
Condensed Beer
On the use of Tin and Gold Combined
American Chapel, Rome
Cornish Pumping Engines
Iron Lighthouse
Wreck of the Baltimore Air-Ship
The Wood of Noah's Ark
Chalcophanite: A New Mineral Species
On the Chemistry of the Urine
Sunshine
The Questionable Value of Hypodermic Solutions
A New Method of Imparting Artistic Finish to Photographs
Coal-Mines in Russia Developed by American Locomotives
Use of Paper
Bicheroux's Gas-Furnace
“Brain and intellect”
Improvement in Chain-Belts
Improvement in Propelling Canal-Boats
Improvement in Rolling Mills
Messrs. Hadley Brothers' Mitre-Cut Nail Works, Birmingham, Eng
Improvement in Speed-Indicators
New Steam-Engine Frame
The Greatest waste in the World
The Kerosene of New South Wales
The Oxyhydrogen Light
House Plants
New-York Academy of Science
On Silicate of Soda in Textile industry
Application in Wool-Scouring
