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The verge (or crown wheel) escapement is the earliest known type of mechanical escapement, the mechanism in a mechanical clock that controls its rate by allowing the gear train to advance at regular intervals or 'ticks'. Verge escapements were used from the late 13th century until the mid 19th century in clocks and pocketwatches.
A torsion pendulum clock, more commonly known as an anniversary clock or 400-day clock, is a mechanical clock which keeps time with a mechanism called a torsion pendulum. This is a weighted disk or wheel, often a decorative wheel with three or four chrome balls on ornate spokes, suspended by a thin wire or ribbon called a torsion spring (also ...
The invention of the escapement was an important step in the history of technology, as it made the all-mechanical clock possible. [1]: p.514-515 [2] [3] The first all-mechanical escapement, the verge escapement, was invented in 13th-century Europe.
With a phone alarm on your bedside table, it is easy to reach over and hit the snooze button. But dedicated alarm clocks have many ways to get you up and out of bed.
A flip clock (also known as a "flap clock") is an electromechanical, digital time keeping device with the time indicated by numbers that are sequentially revealed by a split-flap display. The study, collection and repair of flip clocks is termed horopalettology (from horology – the study and measurement of time and palette – and the Italian ...
The following is a list of notable companies that produced, or currently produce clocks. Where known, the location of the company and the dates of clock manufacture follow the name. In some instances the "company" consisted of a single person.