This particular clock movement part is marked WmL GILBERT CLOCK CO. WINSTED. CONN U.S.A. 1910 WITH A G STAMPED IN A DIAMOND. PATD. APRIL 1896. 6" wide x 6" high x 3 1/2" deep. We purchased a great deal of misc. clocks and parts from an estate which the man was an antique dealer all his life. He dealt in all types of clocks from wrist watch to pocket watch to mantle to wall to grandfather. Every year and era!!! You name it! The majority of these items have been stored in his work shop warehouse since the 1970's. Just until recently the family has been selling off the estate. I can tell you this, I love anything to do with parts but I do not know the specifics, so if t is a question at all please contact me! I will do my best to answer accurately!. We can always combine shipping.