Technical watches (1675-1825) Technical watches (1675-1825)			The Benjamin FRANKLIN Dial Watch with only one extensible hand with hour and minute indications in the... Full printable version
The Expanding Minute Hand The "Onion" "He Has Chosen the Most Beautiful" The Egg The Coach Watch BERTHOUD's Equation of Time BERTHOUD's Double-Balance RANSONET's Musical Watch The Mixed Numerals The Manual Perpetual Calendar The Benjamin FRANKLIN Dial The Chronograph