德國，720 mm，約 1700 罕見的鋸齒造型掛鐘，搭配早期冠輪機芯及鋸齒造型鐘擺，根據锯鳐科鯊魚齒所做的造型 German, 720 mm, circa 1700A rare "saw clock" with verge escapement and short pendulum, mounted on the rostrum of a sawfish#43554
Magazine
