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President Roosevelt Would Reorganize the Navy Department

Tribute to a Civilian Inventor


Science Notes


Battle Practice in the British Navy

By Percival Hislam

How English Royalty Travels

By F. C. Coleman

The Aeroplane Military Scout

Curious Facts about Numbers

Gun Erosion

Artificial Sapphires

By the Paris Correspondent of the Scientific American

New Mechanical Toys

By Jacques Boyer

Destructive Fungus of White Cedar


Let the Clock Open the Furnace Drafts

By H. L. Whitemore

How to Use the Slide Rule

By Frederic R. Honey

Drilling Holes in Marbles

By J. O. Brouillet

Furnishing the Workshop

By I. G. Bayley

Simple Driver for Small Drills

By L. G. Handy

Device for Finding Centers of Round Work

By F. D. Sweet


  • Departments

    Recently Patented Inventions

  • Notes and Queries

  • Index of Inventions

  • New Books, Etc.

  • Patent Causes

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