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Features

The Lightning Torpedo Vessel

Wave-Making Resistance of Ships

By W. Froude

Testing Steel-Iron Welds

Extraordinary Steel-Rail Product

Eyre's Screw Propeller

Submarine Blasting

Test Boiler, Manchester Steam Users' Association

Proposed New Bridge between New York and Brooklyn

Wool Dyeing

By George Jarmain

Type Printing Telegraph Instruments

A New Induction Coil

Notes on Gas Making

By R. H. Patterson

The Sizing of Cotton Goods

Manufacture of Asphaltum

Dry Rot in Wood

Photo-Mezzotint Engraving

The History of the Art of Coach- Building

American Carriages

By G. A. Thrupp

Ancient and Extinct British Quadrupeds

By A. Leith Adams

Physiology

Lessons in Mechanical Drawing

By C. W. Mac Cord

Departments

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    June 02, 1877

    Beyond XX and XY

    Biology. Identity. Equality.