Large Welch Wall Regulator. Large original 18 in. painted metal dial with black Roman hour numerals, blued spade hands and sub seconds dial at 6 o’clock; unusual brass double weight upside down 8 day time only movement has a long gilt wood pendulum stick with brass covered bob and round brass covered side weights. In a large rosewood key hole style case in nice condition with overcoated original finish; dial has some flaking and inpainting along the bottom. 57 in. high x 21.5 in. wide x 6 in. deep.