Posts filed under hamilton

Hamilton Model 21 Marine Chronometer Clock

Hamilton Model 21 Marine Chronometer Clock

Hamilton Model 21 Marine Chronometer Clock. This is referred to as the size 85 and it was the main high precision chronometer clock on board the ships. Because of their accuracy in time keeping they also used them to determine the longitude on the seas. These chronometers have a fusee and chain with the mainspring… (read more)