Watches
Posted onTimeless Pieces Up To 30{21c5f1c971ca40db7cfd8e3fedf870f7c4bce71691a153f67c68c872d35111f9} Off
Wilsdorf was an early convert to the wristwatch, and contracted the Swiss agency Aegler to provide a line of wristwatches. His Rolex wristwatch of 1910 became the primary such watch to obtain certification as a chronometer in Switzerland and it went on to win an award in 1914 from Kew Observatory in London. A great leap ahead in accuracy occurred in 1657 with the addition of the balance spring to the stability wheel, an invention disputed both on the time and ever since between Robert Hooke and Christiaan Huygens. Prior to this, the only drive limiting the back and forth movement of the stability wheel underneath the pressure of the escapement was the wheel’s inertia.
This triggered the wheel’s period to be very sensitive to the pressure of the mainspring. The stability spring made the balance wheel a harmonic oscillator, with a pure ‘beat’ …