Vintage Wolverine Tin Adding Machine (1940s–50s)

Vintage mechanical “Adding Machine” by Wolverine Supply & Manufacturing Co., USA - working ! - a charming mid-century educational toy and early mechanical calculator for kids. All-metal tin construction with red and blue lithograph graphics Patent No. 2243384 stamped on front Functional slider system for simple arithmetic Approx. 10" long Shows age-related wear, scratches, and patina consistent with its 70+ years — adds to its authentic vintage charm