Departments

• Departments

  The Postal Service in the Time of Queen Anne

• Some Needs of Modern Chemistry

• Textile Manufacturing in the New South

• Two Impossible Bills

• Progress of the New York Rapid Transit Tunnel

• The Emigration to Cape Nome

• The Heavens in June

• A Small Automatic Electric Air-Pump

• Shouldering Car for Leveling and Trimming Roadbed

• Count von Zeppelin's Airship

• Borax--Old and New Methods of Production

• The Sault Power Canal

• Curiously Cut Yew Trees

• A Waterproof Detonator for Mines

• Correspondence - May 26, 1900

• A Mechanical Cotton-Picker

• Some Pacific Sharks and Accompanying Fishes

• Index of Inventions - May 26, 1900

• Notes and Queries - May 26, 1900

• To Inventors - May 26, 1900

• Business and Personal - May 26, 1900

• Recently Patented Inventions - May 26, 1900

• Patents - May 26, 1900