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Hubbell Incorporated was founded as a proprietorship in 1888 by Harvey Hubbell II. Born in Connecticut in 1857, he was a U.S. inventor , entrepreneur , and industrialist . Hubbell's best-known inventions are the U.S. electrical plug [ 3 ] and the pull-chain light socket. [ 4 ]
In 1919, Hubbell unsuccessfully tried to prevent other manufacturers from making receptacles and plugs to the dimensions used by Hubbell. The report of the court proceedings [ 5 ] includes a comprehensive review of the development of the art in the US prior to 1919, based on evidence presented to the court.
Terrace Hill, also known as Hubbell Mansion, Benjamin F. Allen House or the Iowa Governor's Mansion, is the official residence of the governor of Iowa, United States. Located at 2300 Grand Avenue in Des Moines , it is an example of Second Empire architecture.
A handcuff cover is a plastic or metal cover that can be placed over a pair of handcuffs. It consists of a hinged, box-like assembly locked over the handcuff chain, wristlets and keyholes. [1] The first handcuff cover was invented by J. D. Cullip and K. E. Stefansen [2] and patented in 1973. [3]
Even the smallest stage pin connectors are rated for 20 A, which translates to 2.4 kW at 120 V, compared to the 15 A and 1.8 kW of the NEMA 5-15. In applications where cables are on the floor, the low profile of the connector allows for connections that are only slightly higher than the cables they connect.
Originally designed by the Cleveland architectural firm of Hubbell & Benes, [43] Shaker Heights High School has a capacity of about 2,000 students and covers 304,400 square feet (28,280 m 2). There are 82 regular classrooms, ten combined science lab/classrooms, four art rooms, and two music rooms outfitted with instrument lockers.