This section is from the book "The Boy Mechanic Vol. 2 1000 Things for Boys to Do", by Popular Mechanics Co.. Also available from Amazon: The Boy Mechanic, Vol2: 1000 Things for Boys to Do.
The food most liked by the ground mole is the sprouts of peas and corn. A way to protect these growing seeds is to dip them in kerosene just before planting. The mole will not touch the oil-covered seed, and the seeds are not injured in the least. - Contributed by J. W. Bauholster, Gresham, O.
Ill: The Heliograph as It is Used by Neighboring Boys to Send Messages on a Clear Day by Flashing the Sun's Rays from One to the Other, Which can be Read as Far as the Eye can See the Light