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Criticism of Catskill Water Supply Scheme

Coal consumption, of the “Lusitania”

Spraying Roads with Tar

Phenomenal Speed of Latest Torpedoes

Germany's Great Armored Cruiser

For Practical Forestry

Collecting the Venom from a Lancehead Snake

The World's Shipbuilding

National Academy of Sciences

By Marcus Benjamin

Cutting Metals with Oxygen

By Jacques Boyer

Gas Phosphorescence and Meteor Trains

By Herbert T. Wade

A Submarine Boat for Sponge Fishing

By Capt. Jourdan, of the French navy

Cheap Hydrogen

Some Notable Groups of North American Birds

The Origin of the Star and Crescent

By Edgar J. Banks

Shipping Submarines Intact to the Philippines

A New Inspection Locomotive

By W. Frank M'clure

The Record Flight of the Delagrange Aeroplane


  • Departments

    Correspondence - May 9, 1908

  • Notes and Queries - May 9, 1908

  • Recently Patented Inventions - May 9, 1908

  • New Books, Etc. - May 9, 1908

  • Index of Inventions - May 9, 1908

  • Patents - May 9, 1908

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May 09, 1908

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