Features
To Dye Hair Black Instantaneously
Railroad Law in Ohio
German Railroads
How We Pay for Tea
Reflection of Light and Sound
Metallic Life Boats
Foreign Correspondence
Mineral Naptha
Expense not Spared
Compact Mortising Machine
A Golden Model
Professor Jacobi
Steam Job Printing
The Three Cent Coins
California Fifty Dollar Gold Piece
Improvement in Forge Fires
Steamboat Challenge
List of Patent Claims
Gas Light
Patent Cases
Earthenware Pipes and Machinery
A Curious Rudder—Necessity the Mother of Invention
New Edition of the Patent Laws
To Remove Paint from Clothes
Mechanics
George Hudson the Railway King
Hydraulics
Scientific Memoranda
Departments
- From the Editor
To Correspondents
- Letters
Paragraph to Editors and Publishers
