This is the Way to prepare the food for babies. One part of water is
added to two parts of fresh milk, and to each half-pint of this
mixture is added a fairly heaped-up teaspoonful of Natural Food; mix
well, put on the fire, bring to the boil, and when cool the food is
ready. All food should be given cool, or not warmer than the
temperature of the human blood. In place of a thermometer, the tip of
the little finger is a good tester; if the food does not feel hot to
this test it will be of the right temperature.