Features
Science as a Detective
The International Canal Congress
Magnetic Motors
The Trajectory of Molecules
A New Refrigerating Liquid from Beets
Localizing Telephone Calls
Molecular Chemistry--No. II
Underground Telegraph Wires
The Donnadieu Reciprocating Pump
A Sixpenny Phonograph
Recent Mechanical Inventions
The New York Academy of Sciences
A New Steam Hammer
Recent American Patents
Attachment for Boiler Feed Pumps
Terrestrial Gasteropods
Drainage
Specimens of Turkish Pottery
Stool of Inlaid Wood and Embroidered Cloth
Asa Packer
Communications Received
Departments
- Departments
Index of Inventions
Business and Personal
Notes and Queries
