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Frederick Heisely

Frederick Heisely (1759-1843) was based in Frederick, MD, early in his clockmaking career. A Revolutionary War veteran, he learned watchmaking from his father-in-law, George Hoff (1733-1816).

In 1783, Heisely moved to Frederick, where he set up a clock, watch, and mathematical instrument trade. He remained there about ten years. In either 1793 or 1796, Heisely moved back to Lancaster, PA, and went into business with Hoff. This partnership dissolved by late 1786, and Heisely returned to resume his own shop in Frederick in 1798. He moved to Harrisburg, PA, in 1811, and worked with his two sons, George Jacob (1789-1880) and Frederick Augustus (1792-1875).


Heisely Newspaper Advertisement, 1786

Frederick Heisley placed this advertisement in the January 25, 1786, issue of The Maryland Chronicle:

"Frederick Heisley Clock and watchmaker begs leave to inform the public in general, and his old customers in particular, that he has removed his shop to his dwelling house at the Sign of the Dial opposite Mr. Jacob Steiner's Saddle shop and store in Market Street in Frederick-Town where he now makes clocks of all kinds. Musical chime clocks as well as common and plain ones, likewise large town-clocks if required, repairs in the best manner and at a most reasonable rate, he also makes surveyors Compasses and other Mathematical Instruments, such as protractors, scales of different sorts, 2 or 4 Perch chains, and Pocket compasses with sun dials, &c. N.B. He gives the highest price for brass."




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