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Features

The Ice Plane

The Invention of the Knitting Machine

Preventing the Rolling and Pitching of Ships

By H. S. Maxim

Professor Martens on Drop Tests

By Gus. C. Henning

Winter Resistance of Trains

Pneumatic Dispatch Improvements

The Pelton Wheel with Multiple Nozzle

Roads

By Thomas. G Janvier

The Marque Screw Propeller

Sibley College Lectures.-1891-92

The cornell university non-resident lecturers in mechanical engineering II.—Centrifugal Force and Resulting Phenomena.

By Charles E. Emery

The Old Rag Industry

Machine for Measuring Fabrics

The New Astronomy: Its Methods and Results

By Robert S. Ball

Design for an Alphabet by James West

Gold-Colored Silver

The New Khedive of Egypt

Color Photometry

By Abney

The Manufacture of Drums on the Coast of Africa

Every Fire a Study

Sunol

Useful Engineering Books

A Delicate Test for Alum in Potable Water

By Ellen H. Richards

A Simple form of Apparatus for a Common Lecture Experiment

By W. A. Noyes

Patents!

Departments

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    February 27, 1892

    Beyond XX and XY

    Biology. Identity. Equality.