This section is from the book "The Epicurean", by Charles Ranhofer. Also available from Amazon: The Epicurean, a Complete Treatise of Analytical and Practical Studies on the Culinary Art.
Take a pint and a half of lemon juice and a pound and a half of sugar, add water to taste, add thin slices of lemon and serve very cold.
Ten gills of syrup at thirty-two degrees, one quart of lemon juice, the peel of one lemon and a quart of water; let the peel infuse, strain through a silk sieve and bring it to eleven degrees, syrup gauge (Fig. 167).
Eight gills of syrup at thirty-two degrees, ten gills of lemon juice, the peel of two oranges, two and a half quarts of water, and the juice of four lemons; bring it to eleven degrees, syrup gauge, strain through a silk sieve and serve very cold.
 
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