Chelsea Clock Co. 6" Special Dial Library Clock. Ships bell. Chelsea Clock Co. made the Library Clock from about 1906 to 1911. The clock sits on a symmetrical base with fine beaded decoration all around. The bezel and back flange have serrated coin edges. The case and base are finely finished and polished front and back. The dial of this example is signed Ball Watch Co., Cleveland. Serial number 34674 on the movement matches the number on the wood base insert. The Chelsea sales ledger shows the clock sold to Webb C. Ball Watch Co. on 3/28/08. The case and dial have been restored. The clock is in beautiful condition.