This lot of six vintage adding machine crank handles is a must-have for collectors and enthusiasts of antique machinery. These handles, designed to make calculations quick and easy, are a true testament to the advancements in technology during their time. With their unique design and historical significance, these crank handles are perfect for display in a cash register or adding machine collection. Whether you're a seasoned collector or just starting out, this lot is sure to be a valuable addition to your collection.