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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

General Grant as President of the World's Fair Commission

Thermometers

Solar Clouds and Sun Spots

Hydraulic Mortars and Cements

Improved Wood Screw

New Mechanical Movement

Improved Cattle Feeder

Simple Magic Lantern

New Milking Stool

Dynamo-Telegraphy

Improved Hand Press

Spring-Making Tool

Improved Oil-Stove Wick Trimmer

Human Trees of India

By Daniel C. Beard

The Common Hornbill

A Curious Grave

Miscellaneous Inventions - January 29, 1881

Departments

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    Recent Inventions - January 29, 1881

  • Correspondence - January 29, 1881

  • New Inventions

  • Business and Personal - January 29, 1881

  • Notes and Queries - January 29, 1881

  • Index of Inventions - January 29, 1881

  • New Books and Publications - January 29, 1881

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January 29, 1881