If you enjoy a bit of history here is a link to the "Made in Chicago Museum" where you can learn more about the Victor Adding Machines as well as the industrial history of everyday objects. Have to chuckle... "Believe it or not, one of the key selling points of these sleek beauties was their 'lightweight' construction; bearing in mind that the 30-pound bulk of the early 1920's models was a bit of an improvement on the popular precursors on the market."
The cast iron hole punch by Wilson Jones Co. is circa 1940's.