This book does not contain experiments, or tell how to make apparatus; our other books do that. After explaining the simple principles of electricity, it shows how these principles are used and combined to make electricity do every-day work. The following are _Some of the Things Electricity Can Do:_ It signals without wires. It drills rock, coal, and teeth. It cures diseases and kills criminals. It protects, heats, and ventilates houses. It photographs the bones of the human body. It rings church bells and plays church organs. It lights streets, cars, boats, mines, houses, etc. It pumps water, cooks food, and fans you while eating. It runs all sorts of machinery, elevators, cars, boats, and wagons. It sends messages with the telegraph, telephone, telautograph, and search-light. It cuts cloth, irons clothes, washes dishes, blackens boots, welds metals, prints books, etc., etc. _Everyone Should Know About Electricity._ =Things A Boy Should Know About Electricity= will interest _you_. We shall be glad to send you complete information as soon as it is ready. Send us your address now. Dewey Flag Poles =ARE LITTLE MODELS OF REAL FLAG POLES....= [Illustration] They are appropriate for any occasion, and suitable for any kind of decoration. They should stand on tables, mantels, pianos, etc.; in fact, there is no better ornament for general use. "They should be in every home and in every school-room in the United States." "No toy fort complete without a Dewey Flag Pole." "The children can fasten them on the windowsill and watch them flutter by the hour." "They hoist like big flags, at half-mast, etc." "Invaluable for store-window decoration." [Illustration] PRICES SMALL SIZE: height 18 inches, fitted with United States or Cuban Silk Flag (4×6 in.) post-paid, 30c. LARGE SIZE: height 24 inches, fitted with United States Silk Flag (7 × 10 in.), post-paid, 40c. LARGE SIZE: fitted with Cuban or British Silk Flag (8×12 in.), post-paid, 50c. _DEWEY FLAG POLES are beautifully made of hard wood, and fitted with best Silk Flags_. GAMES. Hustle=Ball. A quick, sharp, decisive game that is thoroughly American. Played by means of Magic Wands, and Polished Balls of Steel. _=Needed:= "A quick eye and a nimble hand."_--_Shakespeare_. _The Rule: Just keep cool--and hustle._ Four Games with One Outfit: "Hustle Ball," "Leap-Frog," "Cross-Country Race," "Magnetic Potato-Race." The game-board is new and original, as well as the methods of playing. The game is put up in a strong box having a beautifully lithographed cover, and measures 8 × 15-1/2 inches. With the game-board are furnished, magic wands, polished steel balls, an "extra strength" horseshoe magnet, and a complete set of illustrated rules and directions for playing.