sentences:  Thereafter the firm traded from Bowling Green Lane and in the 18th and 19th centuries became the most prolific in England producing turret and domestic clocks of all descriptions including rare musical clocks and was the main supplier to the Turkish market (the Ottoman Empire) (Cite The Musical Clock Arthur WJG Ord-Hume).The company's earliest recorded commission and still in use, was a turret clock for Horseguards Parade made in 1740 but not finished until 1768, and a domestic long-clock about 1770 for the British East India Company.The complexity of the Horseguards clock is the result of many previous years' clockmaking experience, but older work has not been identified.