Dutch Flummery.
Boil two ounces of isinglass in three half pints of water very gently half an hour: add a pint of white wine, the juice of three and the thin rind of one lemon, and rub a few lumps of sugar on another lemon to obtain the essence; and with them add as much more sugar as shall make it sweet enough. Having beaten the yelks of seven eggs, give them and the above, when mixed, one scald; stir all the time, and pour it into a bason. Stir it till half cold, then let it settle, and put it into a melon shape.