Volume 1 — To Drive Away Dogs
Reading edition
Shocking-Machine
The dogs in my neighborhood used to come around picking up scraps. After I connected up my induction coil, as shown in the sketch, we were not bothered with them. A indicates the ground; B, switch; and C, a bait of meat, or a tempting bone.
Contributed by Geo. W. Fry, 903 Vine St., San Jose, Cal.