Harf & Harf recipe

Bob, my neighbor at Lake Dabinawa, used to serve this drink at his bar in Wesport - Kansas City, MO back in 40's - 70's. It was called a "half & half". After four of these cocktails, one could only call it a "Harf & Harf". The rest is history. This is a mandatory drink in the afternoon after a nice day at the lake.