Features
Steam Lifeboat
The Resistance of Slide Valves
Railroads in New Regions
The New Magazine Gun used by the German Army
Zincography and Zinco Printing Plates
Vinegar
Liquid Fuel
The Sulphur Industry of the United States
Improved Warping Machine
Quick Setting Cement
Manufacture of Oil of Sassafras
The Air Brush
The Significance of Uric Acid
Fluorine by the Electrolysis of Hydrogen Fluoride
Methylal
An Improvement in the Production of Sulphuric Acid
Prof. S. P. Thompson's Dynamo Telephones
The Montaud Accumulator
Natural Solutions of Cinnabar, Gold, and Associated Sulphides
The Medico-Legal Aspects of Hypnotism
On Some Phenomena Connected with the Freezing of Aerated Water
Departments
- Departments
Patents - April 2, 1887