Video duration: 66 seconds
Global video hits: 618/div
New version of my digital chronometer.
Precision: 10^-6 second (uSecond)
Display type: seven segments led display
Time base: 2 MHz quartz
Functions: Start/Stop/Reset/Lap
Video duration: 88 seconds
Global video hits: 653/div
Chronometer Escapement, close up detail of detent in a domestic clock by E.Dent,London. Larger than in a marine chronometer and showing the action of the detent and roller jewel. Describing the action of the detent escapement has always been difficult and this is one more inadequate attempt to illustrate the action.
Video duration: 82 seconds
Global video hits: 2505/div
Herschel skeleton clock with large marine chronometer escapement, showing action of detent and escape wheel, and balance with helical balance spring. Not exact scale.