Features
The Exposition
American Association for the Advancement of Science
Dynamometers at the Paris Exhibition
Gould's Stopple for Soda-Water Bottles
Watches at the Exposition
Science Familiarly Illustrated
Manufacturing, Mining, and Railroad Items
Malleable Cast Iron
Recent American and Foreign Patents
Answers to Correspondents
Cox and Hill's Window Shade Attachment
Harris' Double Needle for Sewing Machines
Totten and Topliff's Can Opening Knife
California Silk
Speed of the 15-Inch Shot
The Water Supply of London--Decrease of Rain Fall, and Pollution of Streams
Progress of the Pneumatic Railroad
Patents and Claims
Pending Applications for Reissues
Departments
- Departments
Business and Personal
Patents
