Hamilton
❦
Wood
Oak.
Movement
8-day time and strike on a gong (Tall); gong half / tuned-rod hours (Wide).
Dimensions
Tall: 21.5 H x 13 W in; Wide: 15 H x 11.5 W in.
Tall version 1913 only (dial pan); Wide version 1928 (columns); the St. Thomas was its near-twin with a mission dial.
Sources: [1]