Features
Courage and Sympathy in Disaster
A Retrograde Step
An Opinion from Panama
The Whistling Vibration of a Drop
Prof. Sir George H. Darwin
The National Academy of Sciences
The Proposed Amendment to the Trade-Mark Law
The Automatic Conveyer in Lumbering
A New Method of Heating Switches
The Electric Locomotives of New York, New Haven and Hartford Railroad
The Hendrick Hudson Memorial Bridge
Curiosities of Naval Architecture--Round Ships and Globular Vessels
How to Construct an Experimental Polyphase Motor
The Sense of Smell in Snails
A Machine for Picking Cotton
A Convenient Drafting Instrument
Book Purse
Retaining Device for Barrels
A Novel Toy
Business and Personal Wants
Departments
- Departments
Correspondence
Recently Patented Inventions
New Books, Etc.
Notes and Queries
Index of Inventions
Patents