Artifact Details Title Dynapunch with stylus and punched card Catalog Number 102747104 Type Physical object Description Object consists of portable card punching device with three sample card and punching stylus. Device card format provides a matrix of thirty five columns and tweleve roews. Manufacturer Dynapunch Place Manufactured Unknown Dimensions overall: 7/8 in x 8 3/4 in x 3 1/2 in Category I/O/punched card device Credit Gift of John A. Tsuk Lot Number X5958.2011