Features
Improvement in Generating Electric Currents
The Chemistry of Gas Manufacture
One of the Metropolitan Gas Referees
Natural Gas in Ironmaking
Pipes for Gas and other Purposes
Coal Mining at Steubenville, Ohio
Orthoclase, or Common Felspar
Ohio Minerals
The Babcock & Wilcox Sectional Boiler
Boiler Explosions, from September, 1876, to April, 1877
The U. S. Iron Landing Pier, Near Lewes, Delaware
Steel Shipbuilding
Deutsche Chemische Gesellschaft, Berlin
Dynograph Experiments
Impregnated Railroad Ties
Oxygen of the Air
Photo-Chemical Processes in the Retina
The Lime Light without Oxygen
Cooling of Cannon and Other Castings
Action of Chloro-Chromic Acid Upon Anthracene
Singular Case of the Production of Heat
Dyeing Leather
Transfer of Negative Films to Paper
Ancient and Extinct British Quadrupeds
Zoology
Cod Fishing in Norway
Across Africa
Departments
Notes and Queries
