"time microscope" for adjusting watches. The Hamilton Company in War Work When the United States found itself involved in World War II, the American watch companies were asked by the military and naval authorities to turn as much as possible of their facilities over into making a great variety of small

substantially the same style until at least 1820 and probably until 1830; these dates being fairly well certi- fied by the years of activity of the makers of the clock movements in the fine cases. It was also noted that only clocks made in and around Lancaster were found in these marvelously fashioned cases