Volume 6, Issue 43
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Features
Defeat of the Amazons
Pacific Railroad
Improved Machinery for Cutting Screws
The Panama Railroad
Railroads of Indiana
Ship Building on the Ohio
M. Orfila on Nicotine
Oatmeal
The Telegraph Circuit—How the Ground Forms Part of it
Daguerreotypes, Machinery
Eccentric Movement of the Fixed Stars
Sawyer and Gwynne's Pressure Engine
Chinese at San Francisco
Bookbinding in the Olden Time
Value Given to Cotton in its Transformations
A New Kind of Hemp
Receipt for Making M. de Baeuvillier's Wash Compound
New Bolt Heading and Screw Cutting Machine
Baltic Steamship
Machine for Boring Conical Holes in Hubs
Incrustation in Boilers
Van Brocklin's Screw Plate
Railroad Car Ventilation—Keeping the Dust Out
New Rat Trap
Application for an Extension of Patent
Our Country
American Watered Silks
Coal the Cause of England's Greatness—The Future Greatness of the United States
Does the Moon Influence the Weather?
Motive Powers—Centrifugal Force
The Moustache
Patent Office Report
Practical Remarks on Illuminating Gas
List of Patent Claims
Patent Claims
New Edition of the Patent Laws
Post Office Stamps
Back Numbers and Volumes
Maryland Mechanics' Institute
Mechanics
Inventors and Manufacturers