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Heliostat for the Smithsonian Institution, Washington

By Howard Grubb

Some Engineering Works

By E. L. Corthell

The Large Sail Vessels of France

A Water Velocipede

An All-Round Titan

Sibley College Lectures.—1889-90

By the Cornell University Non-Resident Lecturers in Mechanical Engineering

By Robert W. Hunt

The Great Salt Deposits of Khewra, in the Punjab

By E. Rodger

Improved Flax Scutching Machine

Heligoland

Sulphite Pulp in America

A “Home Made” Electric Motor

An Experimental Proof of Ohm's Law, Preceded by a Short Account of the Discovery and Subsequent Verification of the Law

By Alfred M. Mayer

Electric Torch at the Paris Opera House

The use of Alloys in Art Metal Work

By W. C. Roberts-Austen

Patents

Building Plans and Specifications

Useful Engineering Books

Wiborgh's Method for the Analysis of Sulphur in Iron and Steel

By J. B. Cohen

A Cheap Funnel-Jacket

By John A. Forret

Departments

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    August 02, 1890

    Help Us Reforest the Mississippi River Valley