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.
Each page on sheet music having three or more pages should be cut 1/4in. shorter than the preceding page, as shown by the dotted lines in the sketch. This will enable the player to quickly turn the pages one at a time. - Contributed by Chas. Homewood, Waterloo, la.
Ill: Leaves Cut for Turning
Ill: Fig.2 Tuning Coil and Wiring Diagram