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.
An easy way to prevent odors in an ice box is to place a can of coke in the box. This will take up All gases and prevent milk from tasting of onions or vegetables which May be kept in the box.
In factories where bad odors are apt to spoil the men's lunches put up In pails or baskets, a box can be constructed to hold these receptacles and a large pail of coke placed in it. Anything placed In this box Will remain free from odors, and fresh. - Contributed by Loren Ward, Des Moines, Iowa.