Gilbert Clock Co., United States. “Trinity” mantel clock. The white porcelain dial with Gilbert’s patented exposed pin-pallet escapement with beat adjustment lever at the bottom. The clock with brass spring driven 8 day movement with half hour bell strike and a faux mercury jar pendulum. With an elaborate gilt metal case with scroll feet, four columns, and flame and urn finials. Height: 16 in x width: 10 1/2 in x depth: 7 1/4 in.