not ignore things that come over you; if you feel a pain, leave the water. Fourth — do not go at night unless you are expert and in company. Fifth — do not dive from a boat into deep water. Sixth — be careful when the temperature of the water drops. Seventh — wait an hour or two after eating, then bathe. Eighth — if you are not practiced, do not take responsibility for your companions, for thousands have lost their lives in attempts beyond their powers.
This little girl is practicing rowing ↓
The modern instructresses are often university students, rendering a service during the summer vacation by giving lessons to youngsters.
The leg movement is the first thing to be learned; this is a swimming class for youngsters.