Fig. 5
Boiling water to kill germs
[1462]. How to avoid swallowing disease. Do not drink water that is not known to be safe. If you have no one to ask and are traveling, it is safer to drink tea or coffee, because they have been made from boiled water, or to drink bottled mineral waters. In the field boil your drinking water. Boiled germs are dead and will not grow. They are, therefore, harmless.
Fig. 6
Next!
(What germs will he leave on the cup?)
Beware of water from wells, farm pumps ponds, cisterns, water coolers and barrels, especially in railroad cars, stations, and ferry boats.
Do not drink lemonade, soft drinks, or milk from peddlers.
Beware of the public drinking cup.
Fig. 7
Swallowing sickness
Always wash your hands before going to meals and before putting things into your mouth, especially after going to the toilet or handling animals.