BRIGGS ROTARY PENDULUM CLOCK UNDER GLASS DOME. A Charles Terioilliger, Horolovar, German reproduction of extremely rare Briggs Rotary. 30-hour spring powered movement with swinging ball pendulum, movement is perpendicular to clock dial and situated under the wood base, magnetic pin and ball above two horizontal gold-tone circular brass plates which sandwich the horizontal brass movement, - 7 1/2 in. Estimate $300-600
PROVENANCE: Ex-coll Ralph Hanks Donnelly, grandson of Greta M. Colby, and civil engineer in Western Maryland mid to late 1900s.
Condition: Some discoloration around the XI on face of clock
