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.
A good way to keep a bed from becoming damp, if left for any length of time, is to place a blanket on the top after it is made up. Take the blanket off before using and the bed covers will be quite dry, as the blanket absorbs the moisture. - Contributed by G. Nor-dyke, Lexington. Ore.