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An AA size dry cell has a capacity of about 2,000 to 3,000 milliampere-hours. An average smartphone battery usually has between 2,500 and 4,000 milliampere-hours of electric capacity. Automotive car batteries vary in capacity but a large automobile propelled by an internal combustion engine would have about a 50-ampere-hour battery capacity.
An integrating current meter calibrated in ampere-hours or charge. There is also a range of devices referred to as integrating ammeters. [6] [7] In these ammeters the current is summed over time, giving as a result the product of current and time; which is proportional to the electrical charge transferred with that current.
The meter sold 120,000 units within ten years. It enabled billing by the ampere hour, combining measures of current and charge. "Coulomb motor meters" are those that measure electric quantity used. Therefore, power companies that used Shallenberger's meters charged by the energy consumed. [17]
Nickel electroplating is a process of depositing nickel onto a metal part. Parts to be plated must be clean and free of dirt, corrosion, and defects before plating can begin. [3] To clean and protect the part during the plating process, a combination of heat treating, cleaning, masking, pickling, and etching may be used. [1]
An electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device over a time interval. Electric utilities use electric meters installed at customers' premises for billing and monitoring purposes.
For the 1996 Summer Olympics, Erie Plating Company provided metal finishing services for the 10,000+ Olympic torches manufactured by the American Meter Company, also headquartered in Erie, Pennsylvania. Each torch weighed about 3.5 pounds (1.6 kg) and was made primarily of aluminum, with a Georgia pecan wood handle and gold ornamentation. [10] [11]
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1888 – development of an induction ampere-hour meter for alternating current developed by Oliver B. Shallenberger; 1888 – licensing of Nikola Tesla's AC and Induction motor patents (Tesla was hired for one year as a consultant, but he quit after a few months) [38] 1889 – renames itself the Westinghouse Electric & Manufacturing Company