Refrigerating Freight Cars

New Passenger Station at Washington, D.C

J. B. Hoyt's Furnace for the Combustion of Bituminous Coal Without Smoke

Iron and Steel

Inaugural Address of Dr. C. W. Siemens

Steel Making

Iron Railway Cars

Iron as a Building Material

Physical Society

Moss Copper

Avonmouth Dock, Bristol

New Armstong Gun

The Building of a French Lighthouse

Marshall's Traction Engine

A New Method of Determining Melting Points of Metals and other Substances

Mercury-Bichromate Battery

A Cheap Farm Bridge

Composition of the Sweet Potato

The Adulteration of Milk

Deutsche Chemisciie Gesellschaft, Berlin

March 12

Atomic Weight of Selenium

Increase of Weight by Combustion of a Substance

Chemical Society, London

March 15, 1877

New Method of Producing Nitrogen

A Live Anaconda

The Eyes of a Flounder

What is Bathybius?