Artifact Details Title Prototype Engelbart Mouse Catalog Number 102803057 Type Physical object Description SRI International’s first prototype computer mouse, by Douglas Engelbart. Constructed by Bill English, the mouse rolled on two sharp wheels facing 90 degrees from each other. Date 1964 Manufacturer Stanford Research Institute (SRI) Place Manufactured U.S. Dimensions 2 3/4 x 4 x 3 1/8 in. Category I/O device Credit Gift of SRI International Lot Number 2024.0009