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.
When a dropper is not at hand it is difficult to drop medicine in a spoon while holding it, and the shape of the spoon will not permit its being set down. A shoe horn used as shown in the sketch will hold the spoon right side up and in a position to hold the liquid. - Contributed by Maurice Bau-dier, New Orleans, La.
Ill: A Shoe Horn is the Right Shape to Hold the Spoon Right Side Up and Level