This section is from the book "Mrs. Rorer's Vegetable Cookery And Meat Substitutes", by Sarah Tyson Rorer. Also available from Amazon: Mrs. Rorer's Vegetable Cookery And Meat Substitutes.......
For six persons, squeeze the juice from six oranges, strain it, and put it into six lemonade glasses. Beat the whites of four eggs to a stiff froth, heap this on top of the orange juice in the six glasses, dust with powdered sugar, and send at once to the table. Fruit eggnogs with wafers make exceedingly nice luncheons.
Allow one egg and the juice of one orange to each person. Separate the egg; beat the yolk until creamy and the white until stiff. Then mix the two together carefully. Add the strained juice of an orange and heap it into a lemonade glass. Dust the top with powdered sugar and serve with wafers.
Blanch and grind a quarter of a pound of almonds. Add the juice of six oranges and stir thoroughly. Pour this into six lemonade glasses and dust with powdered sugar. This is exceedingly palatable and nutritious and is very nice for invalids.