Tag: history
Tag: history
- GMT and World Time
- The Minute Repeater
- The Perpetual Calendar
- The Tourbillon
- Escapements, Compared
- Cylinder and Duplex
- The Detent Escapement
- The Escapement Zoo
- Verge and Foliot
- 1656 — Huygens and the Pendulum
- 1675 — The Balance-Spring Race
- 1761 — Harrison and the Longitude Prize
- 1770 — Mudge and the Lever
- 1850s — The American System
- 1927 — The Quartz Clock
- 1969 — The Quartz Crisis
- 1983 — The Swatch Rescue
- A Timeline of Timekeeping
- Omega Calibre 321
- Patek Philippe Calibre 89
- Valjoux 7750
- Zenith El Primero
- The Balance Spring