February 25 – Netherlands scientist
Christiaan Huygens files drawings of his invention of the
balance spring, the key component to the accuracy of portable clocks and pocket watches, in a letter to the Journal des Sçavants.
February 25 – Netherlands scientist
Christiaan Huygens files drawings of his invention of the
balance spring, the key component to the accuracy of portable clocks and pocket watches, in a letter to the Journal des Sçavants.