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Features

New and Gigantic Telescope

Failure of the New Telegraph Line Between Europe and America

Relative Rights of Employers and Workmen in Respect to Inventions

Swindling Patent Sellers

Lake Titicaca

The Oil Deposits of the Great West

Enforcement of Unauthorized Caveat Rules

Mount Sinai

Pleasant Words

Scientific and Practical Information

On the Motion and Sensation of Sound

Gilberds & Harris' Return Butter and Oyster Pail

Oakley's Currant Washer

A New Tool Holder

A New Water Meter

Recent American and Foreign Patents - March 14, 1874

Importance of Advertising

Decisions of the Courts - March 14, 1874

Patent Office Decisions

SPLINT MACHINE.--RUSSELLAND SCOW.--INTERFERENCE.

Answer to Correspondents - March 14, 1874

Communications Received - March 14, 1874

Departments

  • Letters

    Correspondence - March 14, 1874

  • Recommended

    New Books and Publications - March 14, 1874

  • Departments

    Business and Personal - March 14, 1874

  • Index of Inventions - March 14, 1874

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March 14, 1874

Beyond XX and XY

Biology. Identity. Equality.