This section is from the book "The Young Housekeeper's Friend", by M. H. Cornelius. Also available from Amazon: The Young Housekeeper's Friend.
Scald four calf's feet only enough to take off the hair, (more will extract the juices). Clean them nicely. When this is done, put them into five quarts of water and boil them until the water is half wasted; strain and set it away till the next day, then take off the fat and remove the jelly, being careful not to disturb the sediment; put the jelly into a sauce-pan with sugar, wine, and lemon juice and rind to your taste. Beat the whites and shells of five eggs, stir them in, and set it on the coals, but do not stir it after it begins to warm. Boil it twenty minutes, then add one teacupful of cold water and boil five minutes longer; set off the saucepan, and let it stand covered close half an hour. It will thus become so clear that it will need to run through the jelly bag but once.
To one of the papers of gelatine containing an ounce and a half, put a pint of cold water; after fifteen minutes, add a quart of boiling water, and stir till the gelatine is dissolved. Then add a coffee-cup of sugar, the juice of a lemon, and the grated rind, or any other spice or essence you prefer, and just boil it up a minute. If the jelly is for an invalid, and wine is a part of the appropriate regimen, omit the lemon and spices, and add two gills of wine, after it is boiled. The gelatine is so pure, that the jelly need not be passed through a jelly-bag. This will keep several weeks in winter, and is convenient for persons who are in the habit of providing little delicacies for the sick.
 
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