Ballists, Dead Beats, and Muffins: Inside Early Baseball in Illinois

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Its reactance limits the power available to the lamp with only minimal power losses in the inductor Prof. Asc. Dr. Enver Bytyci states that the reason for Albanians joining the Axis powers was not for racist and fascist ideology but rather to escape the brutality of the previous decades of Serbian rule. [72] See also [ edit ]

This technique uses a combination filament– cathode at each end of the lamp in conjunction with a mechanical or automatic (bi-metallic or electronic) switch that initially connect the filaments in series with the ballast to preheat them. When filaments are disconnected, an inductive pulse from the ballast starts the lamp. This system is described as "Preheat" in North America and "Switch Start" in the UK, and has no specific description in the rest of the world. This system is common in 200–240 V countries (and for 100–120 V lamps up to about 30 watts). Aluf, Ofer (2012). Optoisolation Circuits: Nonlinearity Applications in Engineering. World Scientific. pp.8–11. Bibcode: 2012ocna.book.....A. ISBN 978-9814317009. This source uses the term "absolute negative differential resistance" to refer to active resistance Frashëri, M. (1945), 'Balli Kombëtar i keqkuptuar dhe i keqinterpretuar' , Mid'hat Frashëri: Vepra të zgjedhura, Vol.1, pp.615-621. Archaeology and the Roman ballista [ edit ] Metal components of the Ampurias Catapult, found in 1912 in the Neapolis of Ampurias Metal components of a 4th-century ballista

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The original objectives of Balli Kombëtar were set out in 1942 in the following ten-point program, also known as the "Decalogue" [65] We are fighting to create an Albania run by people who have not been compromised, by Albanians who have done their utmost at every time and under all conditions for the salvation and welfare of their country, by competent and honest working men Ballast was also a component used in early model automobile engines that lowered the supply voltage to the ignition system after the engine had been started. Starting the engine requires a significant amount of electrical current from the battery, resulting in an equally significant voltage drop. To allow the engine to start, the ignition system was designed to operate on this lower voltage. But once the vehicle was started and the starter disengaged, the normal operating voltage was too high for the ignition system. To avoid this problem, a ballast resistor was inserted in series with the ignition system, resulting in two different operating voltages for the starting and ignition systems.

During the conquest of the Empire, the ballista proved its worth many times in sieges and battles, both at sea and on land. It is from the time of the Roman Empire that many of the archaeological finds of ballistae date. Accounts by the finders, including technical manuals and journals, are used today by archaeologists to reconstruct these weapons. Elsie, Robert (30 March 2010). Historical Dictionary of Albania. Scarecrow Press. p.30. ISBN 978-0-8108-6188-6. Ballast may also be carried aboard an aircraft. For example, in gliding it may be used to increase speed and/or adjust the aircraft's center of gravity, or in a balloon as a buoyancy compensator. Peter Abbott (1983). Partisan Warfare 1941–45. Osprey Publishing. pp.27–. ISBN 978-0-85045-513-7. Balli Kombetar, however, preferred German rule to Italian and, believing that only the Germans would allow Kosovo to remain Albanian after the war, began to collaborate.However, while it remained less and less popular as more efficient siege engines such as the trebuchet and the mangonel became widespread, the Ballista still retained some use in Medieval Siege Warfare, especially by city and castle garrisons, until it became finally extinguished by the more convenient medieval canons, already omnipresent in all major European Catholic cities by the first half of the 14th century. Littere Wallie, liber A, folio 188, 320. LITTERA PER QUAM DOMINUS WALTERUS DE HUNTERCUMB RECEPIT PER MANUS PHILIPPI DE SAY CLERICI DOMINI REGIS Kularatna, Nihal (1998). Power Electronics Design Handbook. Newnes. pp.232–233. ISBN 978-0750670739. The manuballista was a handheld version of the traditional ballista. This new version was made entirely of iron, which conferred greater power to the weapon, since it was smaller, and less iron (an expensive material before the 19th century), was used in its production. It was not the ancient gastraphetes, but the Roman weapon. However, the same physical limitations applied as with the gastraphetes. Understanding Transformer Noise" (PDF). federalpacific.com. Federal Pacific. Archived from the original (PDF) on 15 March 2015 . Retrieved 8 August 2015.

For other uses, see Ballast (disambiguation). An American electronic instant start ballast for powering a variety of American T8 fluorescent lamps. Variety of ballasts for fluorescent and other discharge lamps In Gaul, the stronghold of Alesia was under a Roman siege in 52 BC, and was completely surrounded by a Roman fortification including a wooden palisade and towers. As was standard siege technique at the time, small ballistae were placed in the towers with other troops armed with bows or slings. The use of the ballista in the Roman siege strategy was also demonstrated in the case of the Siege of Masada. [4] Ballistae in the Roman Empire [ edit ] Rifle – Essentially a long rifled barrel firearm primarily designed for relatively long range use in warfare or hunting. Rifles are available as single shot, self-loading, manual action, bolt action or automatic, though most commonly encountered are self-loading. The most influential archaeologists in this area have been Peter Connolly and Eric Marsden, [13] who have not only written extensively on the subject but have also made many reconstructions themselves and have refined the designs over many years of work. In remote and seemingly "savage" places like Ireland, however, where cannons were rare and personal firearms were almost non-existent, ballistae had recorded use well into late 15th century. [17]Ballast is dense material used as a weight to provide stability to a vehicle or structure. Ballast, other than cargo, may be placed in a vehicle, often a ship or the gondola of a balloon or airship, to provide stability. A compartment within a boat, ship, submarine, or other floating structure that holds water is called a ballast tank. Water should move in and out from the ballast tank to balance the ship. In a vessel that travels on the water, the ballast will remain below the water level, to counteract the effects of weight above the water level. [1] The ballast may be redistributed in the vessel or disposed of altogether to change its effects on the movement of the vessel.