Black and white close up image of the card punch with a persons right hand holding a card from a deck of cards and their left hand holding punch pantograph knob. Verso: white paper labels. " This is a card puncher an integral part of the tabulation system used by the United States Census Bureau to compile the thoussnds of facts gathered by the Bureau. Holes are punched in the card according to a prearranged code transferring the facts from the census questionaire into statistics." " Keyboard of pantograph punch used in the 1890 and 1900 censuses. With improvements, it was used in various tabulations through the 1920 census.""
