This section is from the book "The Young Housekeeper's Friend", by M. H. Cornelius. Also available from Amazon: The Young Housekeeper's Friend.
Put a heaping teacupful to a quart of boiling water. Boil them a great while. Half an hour will do, but two or three hours is far better. Scald milk as for coffee. If there is not time to boil shells long enough before breakfast, it is well to put them into the water over night.
To a pint of fresh cream, put a pound and a quarter of loaf sugar; boil it in an earthen pot or saucepan; pour it into a jar or basin, and let it stand till it is cold; then put it into phials and cork close. It will keep good for several weeks, and is convenient to carry to sea.
Put new milk into an earthen pan, and set it on a stove, or over clear embers till it is quite hot. Then set it aside till the next day, and it will produce excellent cream for coffee or fruit.
 
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