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New Materials for Paper

Improved Moving Tread Power

The Construction of Steamships

American Steamboats in Russia

Important Hints on Ventilation

By E. M. Richards

Statistics of Headache

Insect Intruders

The Avery Monument and Statue

Improved Marine Salinometer

The Measurement of Heat


Rain and Paint Phenomena

File-Cutting Machine

Indian Curiosities

Catching Whales

Infringement Case

A Column of Interesting Varieties

Lightning Conductors and Attractors

Look Out for the Locomotive !

French Gunboats

Improved Hay-Making Machine

Fulghum's Sawing Machine

Hydraulic Gold-Mining


Republicanism and the Fine Arts

Foreign Summary--News and Markets

Adulterated Oil of Peppermint


Rabbits and Trees

Weekly Summary of Inventions

Patent Claims

Land Leeches

Improved Portable Iron Railing


  • Departments

    Notes and Queries

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