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Features

The Danforth Case

A Carriage Builders' School

Good Roads

The Nicaragua Canal Convention

An Improved Fire Escape

An Improved Wooden Vessel

A Coin-Taking and Ticket-Delivering Box

An Improved Dish Washer

English Machine Tools for America

Manufacture of Rubber Shoes

By B. G. Underwood

The Southern Cotton Harvester

Jay Gould's Tomb

Departments

  • Letters

    Correspondence- December 10, 1892

  • Departments

    New Books and Publications- December 10, 1892

  • Recently Patented Inventions- December 10, 1892

  • Index of Inventions- December 10, 1892

  • Business and Personal- December 10, 1892

  • To Inventors- December 10, 1892

  • Notes and Queries- December 10, 1892

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December 10, 1892

Beyond XX and XY

Biology. Identity. Equality.

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