Artifact Details Title RKS 100-86 Mouse (Rollkugel) Catalog Number 102667911 Type Physical object Date 1968 Manufacturer Telefunken Identifying Numbers Other number 443 Printed on bottom Dimensions overall: 2 3/4 in x 4 3/4 in x 4 3/4 in Category I/O/pointing/mouse Subject Input; Rolling; Ball; Pointing Collection Title SAP Collection Credit SAP Collection, Computer History Museum Lot Number X3709.2007