Another way is also to check with the original paperwork provided with the sale.
Whilst this feature was introduced much earlier in America, around seven years earlier in 1853.
The signature should allow you to find the clock makers name and research the dates of his activity in a comprehensive clockmakers guide.
Although, it is important to note that a signature may not always refer to the clockmaker.
c.1830- Chauncy Jerome manufactures 30-hour brass movements at a cheaper price.
Brass movements ultimately replace wooden ones by the 1840’s.