Skip to main content
Scientific American Magazine Vol 7 Issue 38

Scientific American Magazine

Volume 7, Issue 38

You are currently logged out. Please sign in to download the issue PDF.

Features

Usher's Rotary Steam Plow

A Convention of Railroad Directors

Railroad Crossings

Overman's Metallurgy

A Relic of a By-Gone Age

Wonderful Discovery

Self-Raising Flour

Trial of Fire Engines

The New Found Lake

Correct Ideas about Compensating Pendulums

Mulching Potatoes

An Old Invention Revived

The River Amazon—A Great Project

A Runaway Lake

Improvement in Bridges

Improved Capstan

Singular Petition to the Senate for an Appropriation

Surgical Adjuster

Rapid Evaporation of Ice

Cutting Hand Rails by Machinery

New Gold Washer

Tubular Ventilating Window Sash

Woodward's Patent Weeding Plow

Paper Cutting Machine

The Collin's Steamers

Machine for Cutting and Bending Tin

Wortendyke's Patent Countertwist Wick

Great Improvement in the Manufacture of Salt

Woodworth's Machine in Philadelphia

Railroad Safety

Western Enterprize—Railroads

The Great American Lock in England

Anthracite Coal for Naval Steamers

Fire-Proof Houses

The Wheeling Bridge Case

Who Reads an American Book

Interesting Patent Case

The Curculio

List of Patent Claims

Rotation of Our Forest Trees

Patent Laws, and Guide to Inventors

Back Numbers and Volumes

A Challenge to Rifle Makers

On Boilers—No. 26

Iodine Rendered Soluble by Syrup of Orange Peel and Tanin

Inventors

Fumigation

Departments

An Important Paragraph

To Correspondents