Artifact Details Title Presenter-to-go Module Catalog Number 102746977 Type Physical object Description Compatible with Spring device. Manufacturer Margi Systems, Inc. Identifying Numbers Serial number P1001374 Front face Dimensions overall: 1/4 in x 2 1/8 in x 2 1/4 in Category I/O/other Credit Gift of Jeff Hawkins Lot Number X5737.2010