Atomic clocks operate by using the vibration of cesium or rubidium atoms to set very precise time, and are the standard in timekeeping as they are the most accurate clocks available.
Visit this time clocks directory to find time clock suppliers and servicers throughout the USA. The photograph on this page depicts a traditional, wall-mounted time clock.
A tour for lovers of watches, clocks and watchmaking journeys through Switzerland and Germany to showcase the craft, artistry and heritage of timekeeping devices and their makers.
By Tanya Mohn, Contributor. Forbes. Tue, 3 Apr 2018 10:47:00 -0400.