BY THE SAME AUTHOR—(LIST R)
| List No. | List Price |
| R1—FUN WITH MAGNETISM. A book and complete outfit of apparatus for sixty-one experiments. Weight 4 ounces. | $0.35** |
| R2—FUN WITH ELECTRICITY. A book and complete outfit of apparatus for sixty experiments. Weight 1 pound. | $0.65** |
| R3—FUN WITH PUZZLES. A book and complete outfit for four hundred puzzles with key to them. One pound. | $0.35** |
| R4—FUN WITH SOAP-BUBBLES. A book and complete outfit of apparatus for fancy bubbles and films. One pound. | $0.35** |
| R5—FUN WITH SHADOWS. A book and complete outfit of apparatus for shadow pictures, pantomimes, etc. One pound. | $0.35** |
| R6—FUN WITH PHOTOGRAPHY. A book and complete outfit of apparatus for amateur work. One pound. | $0.65** |
| R7—FUN WITH CHEMISTRY. A book and complete outfit of apparatus for forty-one experiments. One pound. | $0.65** |
| R41—ELECTRIC SHOOTING GAME. Absolutely harmless; fascinating. Paper bullets shot by electricity. One pound. | $0.35** |
| R42—ELECTRIC AIR-SHIPS AND OTHER GAMES. Great fun. Get into the game; be an aviator at home; for two players. One pound. | $0.35** |
| R43—ELECTRIC FORTUNE-TELLER tells a lot. Mysteriously electric. Comic and otherwise. In preparation. One pound. | $0.35** |
| R51—HOW TWO BOYS MADE THEIR OWN ELECTRICAL APPARATUS. A book containing complete directions for making many kinds of electrical apparatus. Seventh edition; 141 pages; cloth. | $1.00** |
| R52—THE STUDY OF ELEMENTARY ELECTRICITY AND MAGNETISM BY EXPERIMENT. A
text-book for students and others. Systematic course for home or school.
220 pages; 200 experiments; cloth; fourth edition. This book with 105 pieces of apparatus complete, by express $6.25 | $1.25** |
| R53—THINGS A BOY SHOULD KNOW ABOUT ELECTRICITY explains in simple language things a boy wants to know, things he should know. Seventh edition. 180 pages; cloth. | $1.00** |
| R54—REAL ELECTRIC TOY-MAKING FOR BOYS contains complete directions for making and using many electrical toys. Over 100 original drawings, diagrams and plates. Second edition; 140 pages, cloth. | $1.00** |
| R55—WIRELESS TELEGRAPHY FOR AMATEURS AND STUDENTS contains theoretical and practical information, together with directions for performing numerous experiments on wireless with simple home-made apparatus. Third and enlarged edition in preparation. | $1.00** |
| R56—ELECTRICAL HANDICRAFT contains complete directions for making and using nearly 150 pieces of electrical apparatus, including various devices and outfits for experimental purposes. New ideas and inexpensive supplies. Cloth; 252 pages; 250 drawings. Second edition. | $1.00** |
| R57C—THE STUDY OF ELECTRIC MOTORS BY EXPERIMENT contains sixty experiments that bear directly upon the construction, operation and explanation of electric motors, together with much helpful information upon the apparatus required. Over 100 pages; paper cover. | $0.35** |
| R58—THINGS A BOY SHOULD KNOW ABOUT WIRELESS contains much practical and some theoretical information on the operation and explanation of wireless outfits, together with numerous wiring-diagrams. Third edition; 126 pages; cloth. | $1.00** |
Ask your Bookseller, Toy-dealer or Electrical Store for our Books, Games, Toys and Electrical Apparatus.
Write for Catalogue.
THOMAS M. ST. JOHN, Cascade Ranch, East Windham, N.Y.
THINGS A BOY SHOULD KNOW ABOUT ELECTRICITY.
By THOMAS M. ST. JOHN, Met. E.
The book contains 180 pages, and 260 illustrations; it measures
5 × 7½ in., and is bound in cloth.