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The new 13,000-Ton Battleships

Shamrock III. in Drydock

Railroad Ties and Our Forest Supply

The Railroads and the new East River Bridge

The Heavens in July

By Henry Norris Russell

German Tests of the Pupin System of Longdistance Telephony

Dumping Car With Convenient Lock and Release

A Steel Caboose and Repair Car

By George J. Jones

Electric Haulage on Canals

By Frank C. Perkins

Anchor with Yielding Chain Connection

A Safety Magazine Torpedo Cane

Coaling Warships at Sea

By Herbert C. Fyfe

The Telephot, a Novel Apparatus for Photographing at Great Distances

By A. Gradenwitz

Hailstones Larger Than Hens' Eggs

Interesting Facts About Pelicans

By Charles F. Holder

A Battle Between Two Deadly Snakes

By W t Bryan

Scientific American Supplement Catalogue

Valuable Books

Practical Pointers For Patentees


  • Departments

    Science Notes - June 27, 1903

  • Legal Notes - June 27, 1903

  • Notes and Queries - June 27, 1903

  • Business and Personal Wants

  • Recently Patented Inventions - June 27, 1903

  • Index of Inventions - June 27, 1903

  • Patents - June 27, 1903

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