Features
Defeat of the Amazons
India Rubber Armor
Railroads of Indiana
The Panama Railroad
Improved Machinery for Cutting Screws
M. Orfila on Nicotine
Oatmeal
The Telegraph Circuit—How the Ground Forms Part of it
Daguerreotypes, Machinery
Eccentric Movement of the Fixed Stars
Ship Building on the Ohio
Sawyer and Gwynne's Pressure Engine
Chinese at San Francisco
Bookbinding in the Olden Time
New Bolt Heading and Screw Cutting Machine
Railroad Car Ventilation—Keeping the Dust Out
Baltic Steamship
Value Given to Cotton in its Transformations
Receipt for Making M. de Baeuvillier's Wash Compound
Application for an Extension of Patent
Incrustation in Boilers
New Rat Trap
A New Kind of Hemp
Machine for Boring Conical Holes in Hubs
Van Brocklin's Screw Plate
Does the Moon Influence the Weather?
Our Country
Motive Powers—Centrifugal Force
Coal the Cause of England's Greatness—The Future Greatness of the United States
American Watered Silks
The Moustache
List of Patent Claims
Practical Remarks on Illuminating Gas
Patent Office Report
Back Numbers and Volumes
Post Office Stamps
Patent Claims
New Edition of the Patent Laws
Necrology for the Last Half Century—Men of Science
Notice
Mechanics
Inventors and Manufacturers
Maryland Mechanics' Institute
Departments
- From the Editor
To Correspondents