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Features

An Improved Mountain Railway System

Official Report on the Steamer Anthracite

The Tendency of Recent Court Decisions with Regard to Reissued Patents

Hydraulic Mortars and Cements

Thermometers

Solar Clouds and Sun Spots

General Grant as President of the World's Fair Commission

New Mechanical Movement

Improved Wood Screw

Improved Cattle Feeder

Simple Magic Lantern

New Milking Stool

Dynamo-Telegraphy

Improved Hand Press

Improved Oil-Stove Wick Trimmer

Spring-Making Tool

Human Trees of India

By Daniel C. Beard

The Common Hornbill

A Curious Grave

Miscellaneous Inventions - January 29, 1881

Departments

  • Departments

    Recent Inventions - January 29, 1881

  • Correspondence - January 29, 1881

  • New Inventions

  • Notes and Queries - January 29, 1881

  • Business and Personal - January 29, 1881

  • Index of Inventions - January 29, 1881

  • New Books and Publications - January 29, 1881

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