Improved Force Blast Rotary Blower

Comets--Their Character and Source

Renewal of the Reward of One Hundred Thousand Dollars

Necessity for Sanitary Reform

A Perfect Vacuum

End of Another Half Year

Time Around the World

Scientific and Practical Information

The Texas Pacific Railroad

Blacking Box

Tobacco Hanger

New Mode of Chair Construction

New Rifle Attachment for Fowling Pieces

Carre's Electrical Machine

Straw-Burning Portable Engine

Alcohol from Flint and Quartz

Sanitary Notes--Sewerage and Sewage

Bee Protector

Boynton's Revolving Evaporator

Brewster's Patent Combination Tallow Cup

Soldering Tool

Parlor Aquarium and Fountain

Decisions of the Courts

United States Circuit Court--Southern District of New York

Recent American and Foreign Patents

Answers to Correspondents

Communications Received