拍品專文
Abraham Scheirlin (b. circa 1616 - d. 1694). Scheirlin was the first Augsburg specialist making clock springs and he received special permission to do so on account of his age. (K. Maurice and O. Mayr (editors) The Clockwork Universe, German Clocks and Automata 1550-1650, Munich, 1980, p. 69.)