Features
To Get Rid of Grain Weevils
New Route to California
Cure for Cancer
Pacific Rail Road
Cave in California
How to Exterminate Roaches
Bellefontalne and Indiana Railway
To Kill Rats
Cracker and Biscuit Rolling and Cutting Machine
Prospects of the Wool Trade for 1850
Maryland Institute
Death of a Great Man
Colonel Fremont
Telegraph Profits
Indestructibility of Enjoyment
Destitution in Glasgow, Scotland
Death from a Pin
Parsnips for Pigs
Liquid Gold
Charcoal for Cisterns
Subterranean Lake at Lancaster
Steamboat Boilers
Western Giants
The Descendants of Robert Burns
Stone Cavalry
Old Tan Bark
The Census Law for 1850
Old Rice
The Atlantic
Table of the Board Measure of Logs
The Patent Office and Reform of the Patent Laws
Philosophy of Mechanics
The Use of Oxide of Zinc is not Injurious to Health
Oil Stone
Ingram's Improved Water Closet
New Serving Mallet for Riggers
Chromatype
Proposed New Description of Railway
Improvement on Hanging Brakes for Railroad Cars and other Machinery
Tight Pantaloons and Tobacco
New Kind of Black Ink
Self-Adjusting Churn
Propeller Improvements
Patent Case—India Rubber Pontoon Boat
Light and its Effects—Gothic Churches
Splendid Present
New American Coins
Perspiration
List of Patent Claims
John Bull Turning Yankee
The Solvent Properties of Caloric, Similar to Acid Gases
Divisibility of Matter
Petrification
Useful Statistics
Mathematics of Bees
Inventors and Mechanics
History of Propellers and Steam Navigation
Accoustics
Departments
- From the Editor
To Correspondents
- Letters
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