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Improved Force Blast Rotary Blower

A Perfect Vacuum

Renewal of the Reward of One Hundred Thousand Dollars

Necessity for Sanitary Reform

End of Another Half Year

Comets--Their Character and Source

Scientific and Practical Information

Time Around the World

The Texas Pacific Railroad

Blacking Box

Tobacco Hanger

New Rifle Attachment for Fowling Pieces

New Mode of Chair Construction

Carre's Electrical Machine

Straw-Burning Portable Engine

Alcohol from Flint and Quartz

Sanitary Notes--Sewerage and Sewage

Bee Protector

Soldering Tool

Brewster's Patent Combination Tallow Cup

Boynton's Revolving Evaporator

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


  • Departments


  • Business and Personal

  • Index of Inventions

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June 28, 1873