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.
In model making it is quite necessary at times to have threads on a wood shaft. These can be made quite satisfactorily by coiling a wire around the shaft where the threads are wanted, and driving the ends into the wood.
Ill: The Wire Forms a Thread That in Many Instances is Quite Serviceable for Model Making