Features
John Roach, of New York.—His Ship-Building and his Views
Cast Iron Panel by Le Duc
Re-Lighting Safety Lamps by Electricity
Workpeople's Aid Societies in Alsace
The New Great Bell for St. Paul's
The Great Organ at the Crystal Palace
Thermic Conductivity of Minerals and Rocks
A New Perpetual Motion
Country House, Costing $600 to $800
Gold Wire
Lochmann's Improved Atomizer
The Washing of Clays
Plate Glass Manufacture
Carl Wilhelm Scheele
On the Intensification of Negatives
A New Mercuro Cyanide Intensifying Process for Gelatino-Bromide Plates
The Last New Developer
Manufacture of Lactic Acid
Curiosities of Color
Some Appliances for Gelatino-Bromide Work
The Arrival of Man in Europe
Dangers of Well Water
Notes on the Spongillæ of Buffalo
The “Chemical Lung”
The Microscope in Disease
Notes on the Cotton Industry of India
An Indian Mill Manager
Peach Culture
Oleomargarine and Lard Cheeses
Departments
- Departments
Patents
