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 tube placed in a jug or bottle as shown in the sketch will assist greatly in removing molasses or heavy liquids. The tube can be placed in the receptacle without getting the liquid inside by holding a finger over the outer end.
Ill: The Vacuum Caused by the Flow of Heavy Liquids is Easily Overcome by the Air Tube
The air can easily enter without dis-turDing the flow of the liquid. - Contributed by Homer Payear, Owens-boro, Ky.