Features
Marble Cement
Malaga Raisins
Crane for Railroads
The Age of Gold and Iron
Geology of the Lead Mine—No. 1
Middle Rail to Prevent Cars Running off the Track
Francis' Life Boat
Cement to Mend Earthen and Glass Ware
Railroad Accidents
British Metals
New York Mechanics' Institute
Bolt Heading Machine
Disinfecting Lamp
Sulphate of Quinia—Its Use and Abuse
Ordinates of Semi-Elliptic Arches
Physical Benefit of the Sabbath
A Fact About Winters
Recent Foreign Inventions
Perpetual Motion
Improvement in Hanging Carriage Bodies
Writing Machine
Wilton's Stone-Dressing Machine in Tennessee
Improved Loom for Weaving Piled Fabrics
To Prevent Accidents by the Breaking of Railroad Car Axles
New Smut Machine
Magnetic Forces
Invention for Cutting Butter out of Tubs
Heat Radiator, and Condenser
Improvements in Fire-Board
Steam Navies
Mind Your Business
Walking Like a Fly Head-Downwards
Ventilation
History of the Re-Issue of the Woodworth Patent
Communication through the Lakes with the Pacific
Glass Dials for Public Clocks
Wooden Boxes for Machinery
Petitions for Extension of Patent
New Arrangement
List of Patent Claims
An Important Paragraph
Back Numbers and Volumes
Scientific Memoranda
Inventors
On Boilers—No. 14
Hussey's American Reaping Machine
Electricity—Its Uses
Effects of Using Tobacco
Departments
- From the Editor
To Correspondents
An Apology