Features
The Pneumatic Sub--Aqueous Tube
The Cotton Manufacture--Weaving
Business and Manufacturing Items
Editorial Summary
The Boiler Explosion on Board the Lighter Enterprise
The Mechanical Equivalent of Heat
Manufacture of Beet Sugar
Science Familiarly Illustrated
Answers to Correspondents
Recent American and Foreign Patents
Alexander's Lever Saw Set
Police Intelligence!--A Patent Agent in Trouble
Trial Trip of the Steam Ram Dunderberg
Caution
Permanence of Animal Types
Patent Claims
Patent Office Decisions
Extension Notices
Departments
- Departments
Correspondence
Business and Personal