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The Mason–Dixon line is a demarcation line separating four U.S. states: Pennsylvania, Maryland, Delaware and West Virginia. It was surveyed between 1763 and 1767 by Charles Mason and Jeremiah Dixon as part of the resolution of a border dispute involving Maryland, Pennsylvania, and Delaware in the colonial United States.
The Waltham Watch Company, also known as the American Waltham Watch Co. and the American Watch Co., was a company that produced about 40 million watches, clocks, speedometers, compasses, time delay fuses, and other precision instruments in the United States of America between 1850 and 1957. The company's historic 19th-century manufacturing ...
On the Imperial State Crown are Cullinan II (317 carats (63 g)), the Stuart Sapphire, St Edward's Sapphire, and the Black Prince's Ruby – a large red spinel. The Koh-i-Noor diamond (105 carats (21 g)) was acquired by Queen Victoria from the Sikh Empire and has featured on three consort crowns.
A mechanical watch is a watch that uses a clockwork mechanism to measure the passage of time, as opposed to quartz watches which function using the vibration modes of a piezoelectric quartz tuning fork, or radio watches, which are quartz watches synchronized to an atomic clock via radio waves. A mechanical watch is driven by a mainspring which ...
Verge and foliot escapement from De Vick tower clock, built in Paris, 1379, by Henri de Vick. 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'.
Caps can also be plastic, sometimes with a pour spout. Flip-Top caps like Flapper closures provide controlled dispensing of dry products. The crown cork, the first form of a bottle cap, possessed flanges bent over a sealed bottle to compress the liquid inside. It was invented and patented in 1892 by William Painter of Baltimore, Maryland. [27] [28]
Crown Court and County Court in Oxford. Crown Court in Reading. The Crown Court ( Welsh: Llys y Goron) is the criminal court of first instance in England and Wales responsible for hearing all indictable offences, some either way offences and appeals of the decisions of magistrates' courts. It is one of three Senior Courts of England and Wales.
e. Right to repair is a legal right for owners of devices and equipment to freely modify and repair products such as automobiles, electronics, and farm equipment. Right to repair may also refer to the social movement of citizens putting pressure on their governments to enact laws protecting a right to repair. Common obstacles to repair include ...