Volume 30, Issue 23
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Features
Formic Fungus Farmers
A Model Transatlantic Steamer
Photography at the Bottom of the Sea
Left Hand Writing
Rubber as a Defensive Armor
The Neplus Ultra Newspaper and Magazine File
Jupiter's Satellites
The Wonder Camera
Fattening Chickens by Machinery
Scientific and Practical Information - June 6, 1874
Hotz's Patent Self-Closing Faucet
caron's fountain marking Brush
The Tarantula Wheel Rotary Harrow
Emanuel Church, Clifton, England
Commissioner's Decisions - June 6, 1874
Claims for the Article and Apparatus in One Patent--Improvement in the Mnufacture of Watches. [Decided May 11, 1874.]
Social Science - June 6, 1874
Astronomical Notes - June 6, 1874
Decisions of the Courts - June 6, 1874
United States Circuit Court--District of New Jersey
Recent American and Foreign Patents - June 6, 1874
Answers of Correspondents - June 6, 1874
Communications Received - June 6, 1874
Canadian Patents - June 6, 1874
List of Patents Granted in Canada. May 4 to May 11, 1874