Features
Usher's Rotary Steam Plow
Railroad Crossings
A Relic of a By-Gone Age
Trial of Fire Engines
The New Found Lake
Self-Raising Flour
Wonderful Discovery
Overman's Metallurgy
A Runaway Lake
The River Amazon—A Great Project
An Old Invention Revived
Correct Ideas about Compensating Pendulums
Mulching Potatoes
Improved Capstan
Woodward's Patent Weeding Plow
Machine for Cutting and Bending Tin
Paper Cutting Machine
Rapid Evaporation of Ice
The Collin's Steamers
Cutting Hand Rails by Machinery
Wortendyke's Patent Countertwist Wick
Surgical Adjuster
New Gold Washer
Improvement in Bridges
Tubular Ventilating Window Sash
Singular Petition to the Senate for an Appropriation
Great Improvement in the Manufacture of Salt
The Great American Lock in England
Who Reads an American Book
The Wheeling Bridge Case
Fire-Proof Houses
Anthracite Coal for Naval Steamers
Western Enterprize—Railroads
Woodworth's Machine in Philadelphia
Railroad Safety
Rotation of Our Forest Trees
List of Patent Claims
The Curculio
Interesting Patent Case
Patent Laws, and Guide to Inventors
Back Numbers and Volumes
Fumigation
Inventors
A Challenge to Rifle Makers
On Boilers—No. 26
Iodine Rendered Soluble by Syrup of Orange Peel and Tanin
Departments
- From the Editor
To Correspondents
An Important Paragraph
