New York State

New York is a state in the Northeastern region of the United States. New York is the 27th-most extensive, the 3rd-most populous, and the 7th-most densely populated of the 50 United States. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east. The state has a maritime border with Rhode Island east of Long Island, as well as an international border with the Canadian provinces of Ontario to the west and north, and Quebec to the north. The state of New York is often referred to as New York State to distinguish it from New York City.

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Hadley Parabolic Bridge

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The Hadley Parabolic Bridge, often referred to locally as the Hadley Bow Bridge, carries Corinth Road across the Sacandaga River in Hadley, New York, United States. It is an iron bridge dating from the late 19th century.

NYC Rapid Transit’s 45-Ton Rotary Convertor

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A rotary converter is a type of electrical machine which acts as a mechanical rectifier, inverter or frequency converter. “Rotary converters were used to convert alternating current (AC) to direct current (DC), or DC to AC power, before the advent of chemical or solid state power rectification and inverting. They were commonly used to provide DC power for commercial, industrial and railway electrification from an AC power source.”

I think it's fair to call this device old sparky.