This is the January 1918 issue of Electrical Experimenter. The cover story is “The Electro-Magnetic Depth Bomb—Terror of the Subs.” Additional stories are about the effects of the Aurora Borealis on telegraph and cable lines, applications of the newly invented Dictagraph, and an article about the commemoration of Edison’s electrification of New York.
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
Publisher: Experimenter Publishing Company, Inc.
Editor: Hugo Gernsback
Issue: Volume 5: Number 9; Whole No. 57; January 1918
Pages: 72
Size: 9″ x 12″
Digital edition © 2009 Curtis Philips. All Rights Reserved