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James B. Eads

The Fish Torpedo

The Maxim Gun

Apparatus for Measuring Bridge Deflections

The Berthon Pontoon Bridge

Limiting Numbers of Teeth

George B. Grant, Boston

Invention of the Turbine

Management of Boilers


By Sydney Lupton

Slag Cement

A Review of Recent Bleaching Processes

Improved Petroleum Burner

Construction and Operation of Dynamo Electric Motor Systems

By Stephen D. Field

The Electro-Osteotome

Electric Welding

By Elihu Thomson

Climate in its Relation to Health

Lecture I.

By G. V. Poore

Heat Conductivity of Metals

Shade and Ornamental Trees

Analysis of Shot

By H. Hardaway

Forced Lily of the Valley

Knights of Tyranny


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May 07, 1887

20% Sitewide for President's Day