Features
Economy in Eating
A Panic at the Patent Office
Reports on Small Engines
Demoniacal Possessions
Improved Draftsman's Rule
A Siphon for Poisonous Liquids and Acids
Milk Cooling Can
The Fairmount Park Bear Pits
Lights for Greenhouses
Spiders' Webs and Spinnerets
Some New Galvanic Batteries
Improved Disintegrator
Improved Self-Locking Padlock
The Early History of Wheeled Vehicles and Railways
The English Channel Steamers
Decisions of the Courts - October 31, 1874
Supreme Court of the United States
Recent American and foreign Patents - October 31, 1874
Answers to Correspondents - October 31, 1874
Canadian Patents - October 31, 1874
Communications Received - October 31, 1874
Departments
- Letters
Correspondence - October 31, 1874
- Recommended
New Books and Publications - October 31, 1874
- Departments
Business and Personal - October 31, 1874
Index of Inventions - October 31, 1874
