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Features

The East River Bridge

Publishers' Notice

City Architecture

Lemuria, the Lost Paradise

The Working of Patents in Canada

The Blue Glass Deception

Pointed Lightning Rods

Curiosities of Glassmaking

A New Friction Clutch for Shafting

Astronomical Notes - March 10, 1877

Observatory of Vassar college.

Communications - March 10, 1877

Straightening Wrought Metal Plates

New Manufacture of Rubber Articles

A Self-Setting Rat Trap

The Trial of the Hundred-Ton Gun

Industrial Barbarians

A New Ambulance

A Day's Ice Yachting on the Hudson

New York Academy of Sciences

New Miscellaneous Inventions - March 10, 1877

New Textile Inventions - March 10, 1877

Recent American and Foreign Patents - March 10, 1877

New Household Inventions.

New Agricultural Inventions - March 10, 1877

New Woodworking and House and Carriage Building Inventions - March 10, 1877

New Mechanical and Engineering Inventions - March 10, 1877

Communications Received - March 10, 1877

Departments

  • Departments

    Business and Personal - March 10, 1877

  • Notes and Queries - March 10, 1877

  • Index of Inventions - March 10, 1877

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March 10, 1877

Beyond XX and XY

Biology. Identity. Equality.