Hydrometer
51Elevator paradox (physics) — This article refers to the elevator paradox as it relates to the physics of a hydrometer. For the elevator paradox as it relates to the elevator as a transportation device, see elevator paradox .The elevator paradox relates to a hydrometer placed …
52API gravity — The American Petroleum Institute gravity, or API gravity, is a measure of how heavy or light a petroleum liquid is compared to water. If its API gravity is greater than 10, it is lighter and floats on water; if less than 10, it is heavier and… …
53Tariff of 1790 — In 1790, Alexander Hamilton, the secretary of the treasury, calculated that the United States required $3 million a year for operating expenses as well as enough revenue to repay the estimated $75 million in foreign and domestic debt. Under the… …
54Automotive battery — 12 V, 40 Ah Lead acid car battery An automotive battery is a type of rechargeable battery that supplies electric energy to an automobile.[1] Usually this refers to an SLI battery (starting, lighting, ignition) to power the starter motor …
55Alcoholic proof — is a measure of how much alcohol (i.e., ethanol) is contained in an alcoholic beverage. It is defined as twice the percentage of alcohol by volume. The measurement of alcohol content and the statement of this content on liquor bottle labels is… …
56Car battery — A car battery is a type of rechargeable battery that supplies electric energy to an automobile [ Horst Bauer Bosch Automotive Handbook 4th Edition Robert Bosch GmbH, Stuttgart 1996 ISBN 0 8376 0333 1, pages 803 807 ] . Usually this refers to an… …
57History of beer — Beer is one of the world s oldest beverages, [Origin and History of Beer and Brewing: From Prehistoric Times to the Beginning of Brewing Science and Technology, John P. Arnold. ISBN 0 9662084 1 2 ] [… …
58Gravity (alcoholic beverage) — A floating hydrometer in use to test the specific gravity of beer Gravity, in the context of fermenting alcoholic beverages, refers to the specific gravity, or relative density compared to water, of the wort or must at various stages in the… …
59Diehl Stiftung — Co. KG Rechtsform Stiftung Gründung 1902 Sitz Nürnberg …
60Alcohol proof — is a measure of how much alcohol (ethanol) is contained in an alcoholic beverage. The term was originally used in the United Kingdom and was defined as 7/4 times the alcohol by volume (abv). The UK now uses the abv standard instead of alcohol… …
