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.
One of the most economical cleansers for canvas shoes is oxide of zinc. Mix a small quantity of the powder with water, to the consistency of thin paste, and apply it to the canvas with an old toothbrush, rubbing it in thoroughly. Then set the shoes aside to dry before wearing them.-Contributed by Katharine D. Morse, Syracuse, N. Y.
CA good substitute currycomb can be made of corncobs tied together tightly.
Ruling Blank Books
A special ruling for a blank book can be drawn by using a thin piece of sheet metal or cardboard, cut as shown in Fig. 1, for a template. The pencil is drawn along one edge of the cutout so that it will make lines as shown in Fig. 2.
Ill: Fig.1 Fig.2 A Template Having Slots Cut for Drawing Special Vertical and Horizontal Lines on Pages
If horizontal lines are required, cut notches on the edge for the location of each line as shown. When the vertical lines are drawn, these notches will mark the places for the horizontal lines.