Artifact Details Title A.C. synchronous transmitter Catalog Number 102757104 Type Physical Object Description The object is cylindrical with 6 mounting holes in the front. A shaft extends 1" from the front. The back has 3 brass screws and 5 contact screws labeled 1, 2, 3, X, Y. The back is black phenolic plastic. Manufacturer Diehl Place Manufactured Elizabethtown, NJ, U.S. Identifying Numbers Other number 43 Stamped on a label on the end of the object Other number WPB Stamped on a label on the end of the object. Part number C78248 Serial number 268319 Dimensions overall: 5 3/8 in x 3 1/2 in x 3 1/2 in Category Component/other Credit Gift of Dick Norberg Lot Number X2933.2005