Kohr Brothers Frozen Custard Coupons

In 1917, a school teacher from York, PA named Archie Kohr purchased a locally made ice cream machine that was powered by a gasoline engine. He and his younger brothers, Elton and Lester, wanted to expand the dairy business they ran from the family's farm. The fresh homemade ice cream was a popular addition to the milk delivered door to door by the Kohr brothers' horse-drawn wagon. They experimented with the recipe. It now had less fat and less sugar for a smoother, lighter product. Archie and Elton were not satisfied. They dismantled the machine, changed some parts and adjusted others. When they put their modified machine back together and ran the new recipe through it, what came out was...