The following recipes are from The Silent Hostess Treasure Book by General Electric - 1931 - and includes the following notation on beverages.
A small space in your General Electric Refrigertor will hold all the essentials for a refreshing drink - a bottle of sugar syrup, some fruit, coffee or chocolate syrup, ginger ale and a bottle of grape juice. With these and the ever ready supply of sparkling ice cubes which your refrigerator provides, you can do wonders.
Colored ice cubes add interest to plain lemonade. The are made by adding a little pure food coloring to water before filling trays.
Freeze water to which lemon juice has been added to serve in iced tea. Allow a quarter cup lemon juice to two cups water.
Freeze ginger ale in the freezing tray and serve one or two cubes in any fruit beverage. It is particularly good in grape juice.
Pour pure grape juice into a tray without the partitions and freeze to a mush. A spoonful of this added to lemonade is both colorful and delicious.