Artifact Details Title Replica of original point-contact device Catalog Number 102716300 Type Physical object Description Printed on metal label attached to artifact is "PRESENTED TO M. SPARKS IN RECOGNITION OF HIS INTEREST AND SUPPORT DURING THE EARLY YEARS OF THE TRANSISTOR". Dimensions overall: 3 1/2 in x 6 in x 6 in Category Component/Semiconductor/transistor Credit Gift of Morgan Sparks Lot Number X5661.2010