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Features

The Geological Hall of the American Museum of Natural History

By L. P. Gratacap

The Coast Survey

Railways in China

Mechanics' Keying Clamp

Reclining Rocking Chair

Convertible Keg

End Gate for Wagons

An Engine and Boiler for Good Service

Improved Heating Stove

A Positive Cyclometer

Automatic Clothes Drier

Leather-Link Machinery Belt

Furniture and Decorations of a Library

Manufacture of Gelatino-Bromide Dry Plates

Pygmy Cattle

Engineering Inventions - April 17, 1886

Miscellaneous Inventions - April 17, 1886

Special - April 17, 1886

Agricultural Inventions - April 17, 1886

Departments

  • Letters

    Correspondence - April 17, 1886

  • Recommended

    New Books and Publications - April 17, 1886

  • Departments

    Business and Personal - April 17, 1886

  • Index of Inventions - April 17, 1886

  • Notes and Queries - April 17, 1886

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April 17, 1886

Confronting Common Wisdom