This is the American Classic Clock. This style first appeared in the late 1800s and has been in production ever since by the New Haven Clock Co.
A New Haven Humpback Clock With Enamel Dial
4.00 - Taxonomy of Clocks 4.07 – National Denominations
Antique New Haven Clock Co Mantel Clock
New Haven Hump Back Mantle Clock With Time & Strike In
Antique New Haven Clocks
Antique New Haven Clock Co Mantel Clock
New Haven Hump Back Mantle Clock With Time & Strike In
Antique New Haven Clocks
Antique New Haven Clock Co Mantel Clock
Antique New Haven Clock Co Mantel Clock
The Care and Repair of 19th-Century American Clocks
New Haven Hump Back Mantle Clock With Time & Strike In
The Care and Repair of 19th-Century American Clocks