
Volume 31, Issue 18
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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
The Fairmount Park Bear Pits
Milk Cooling Can
Lights for Greenhouses
Spiders' Webs and Spinnerets
Some New Galvanic Batteries
Improved Disintegrator
Improved Self-Locking Padlock
The English Channel Steamers
The Early History of Wheeled Vehicles and Railways
Decisions of the Courts - October 31, 1874
Supreme Court of the United States