Answer:
A lantern clock is a type of clock that was popular in Europe during the 17th century. It consists of a clock movement housed inside a square or rectangular case, which is often made of brass and glass. The name lantern clock refers to the similarity in appearance between the clock case and a lantern, due to its open design and exposed movement. These clocks typically have a single dial with hour, minute, and sometimes second hands, and are often hung on a wall or placed on a bracket. Lantern clocks are highly collectible today due to their historical significance and unique design. 17th century, English shelf clock, made in brass, suggesting the shape of a lantern.