| TREFFLER, JOHANN PHILIPP | Germany; Italyfl.1625-97, MIM PHIM | Night Clocks = KAS, MST, TIM; Hydrometer = FLO. | turner; clockmaker; worked for Archduke Ferdinand II of Florence, 1656-64, as a clock and mathematical instrument maker; developed a pendulum clock and invented a vibration counter. | Augsburg (1625-56); Florence (1656-64); Augsburg (1664-97). | Bedini 2 & 15; Michel 3; Baillie. | 
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