Skip to main content


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

How to Use the Slide Rule

By Frederic R. Honey


Let the Clock Open the Furnace Drafts

By H. L. Whitemore

Device for Finding Centers of Round Work

By F. D. Sweet

Simple Driver for Small Drills

By L. G. Handy

Drilling Holes in Marbles

By J. O. Brouillet

Furnishing the Workshop

By I. G. Bayley


  • Departments

    Notes and Queries

  • Recently Patented Inventions

  • Index of Inventions

  • New Books, Etc.

  • Patent Causes

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
December 19, 1908