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 grapes in my back yard were being destroyed by caterpillars which could be found under all the large leaves. The vine was almost dead when I began, to cut off all the large leaves and those eaten by the caterpillars, which allowed the sun's rays to reach the grapes. This destroyed all the caterpillars and the light and heat ripened the grapes. - Contributed by Wm. Singer, Rahway, N. J.
It will require 1 gal. of ordinary mixed calcimine to cover 270 sq. ft. of plastered surface, 180 sq. ft. of brickwork and 225 sq. ft. of average woodwork.