The Electrical Experimenter 1918-01 Vol 5 No 9 #57: Electro-Magnetic Depth-Bombs

January 1918 issue of Electrical Experimenter, Vol. 5, No. 9, Whole No. 57. The cover story is "The Electro-Magnetic Depth Bomb—Terror of the Subs."

Main Contents of this Issue:

Editorial: Raising Sunken Treasures (H. Gernsback)
Are the "Huns" Using Electric Raiders? (H. Winsfield Secor)
Artillery Telephone Service on British Front
Fog Warning by Radiotelephone (George Holmes)
Ground Telegraphy in War (H. Gernsback)
How Aurora Borealis Affects Telegraph and Cable Lines
The "Electro-Magnetic Depth Bomb"—Terror of the "Subs"
Electric Buoys to Mark Torpedoed Ships (E.T. Jones)
Training U.S. Aviators with Electric Map
"Liberty Loan" Electric Signs
Bronze Tablet to Mark First Edison Station in New York
The X-Ray on the Battle Front
"Teratuter"—An Electrically Operated Flying Teacher
Modern Physics and the Electron (R.A. Millikan)
Novel Applications of the Dictagraph
The Chemical Exhibition at New York (Albert W. Wilsdon)
War Address by A.I.E.E. President-elect, E.W. Rice, Jr.
"Too Late" (Charles S. Wolfe)
Radio Department: "Electrician—Radio U.S.N." (Willard Connely)
French Aeroplane Radio Great Aid to Artillery
A Short-Cut to Code Learning
"Ham" Aerials (W.J. Howell)
A Mechanical Inductance Changer (Frederick J. Schlink)
Useful Hints on Electric Motor and Dynamo Testing (Samuel Cohen)
The Constructor: Experimental Mechanics Lesson 1 (Samuel Cohen)
A New Type of Chromic Acid Battery (C.A. Oldroyd)
The Ultra-Microscope and The Underworld of Infinitesimal Small (Frank M. Gentry)
How To Make It
Wrinkles Recipes Formulas (S. Gernsback)
Experimental Chemistry: Twentieth Lesson: Valence (Albert W. Wilsdon)
With the Amateurs
Latest Patents
Phoney Patents
Question Box
Patent Advice (H. Gernsback)
Opportunity Exchange
Scientific Exchange Columns
Patent Advice (H. Gernsback)
Opportunity Ad-Lets

Original Publisher: Experimenter Publishing Company, Inc., 1918
Editor: Hugo Gernsback
Size: 9" x 12" (G-Book trim size: 8.25" x 11.7")
Issue: Volume 5: Number 9; Whole No. 57; January 1918
Pages: 76