This section is from the book "Cookery From Experience", by Sara T. Paul. Also available from Amazon: Cookery From Experience.
Grate a teacupful of chocolate, add to it a pint of water and a teacup or more of sugar; let it simmer until the chocolate is all dissolved, add a quart of milk, and one-third of a paper of corn starch mixed in cold water. When the milk begins to boil, stir. in the corn-starch, boil it five minutes, flavor with vanilla extract, and pour into moulds.
Put an ounce of gelatine in cold water to cover it, and let it stand for an hour; grate four ounces of chocolate, melt it over the fire in a little cold milk, taken from the quart you will use; then add the balance of the quart, with three-quarters of a pound of sugar and the yolks of two eggs beaten; boil five minutes, then add the gelatine, boil up once, flavor with vanilla extract, pour into moulds and set in ice.
One quart of milk, one large coffeecup of sugar, half a package of gelatine, one quarter of a cake of chocolate grated finely; mix all together and boil an hour in a farina-kettle. This makes two medium-sized moulds.
 
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