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The Seldon-Griswold Manufacturing Company was founded in Erie, Pennsylvania, in 1865 by Matthew Griswold (born 6 June 1833) and his cousins, the brothers J.C. and Samuel Selden. [ 2 ] The company made separable butt hinges and other light hardware products at a building called the "Butt Factory" beside the Erie Extension Canal. [ 3 ]
Samuel Griswold (December 27, 1790 in Burlington, Connecticut – September 14, 1867 in Clinton, Georgia) was an American industrial pioneer in the 1820s based in central Georgia. He was the founder of Griswoldville village, an industrial site. His father was Jeremiah Griswold (1745–1813) and his mother was Phoebe Case (1751–1798).
Griswold Manufacturing, an American manufacturer of cast iron home products based in Erie, Pennsylvania, that operated from 1865 until 1957; Griswold Signal Company, a manufacturer of traffic signals and railroad grade crossing signals based in Minneapolis, Minnesota
Griswold signals on 22nd Avenue NE, Minneapolis, pictured in 2018. In 1927, Griswold introduced the rotating banner signal. This was a unique combination of highway flasher and rotating stop sign (similar to a school bus stop sign). An approaching train would trigger not just the requisite red flashing lights and bells, but a mechanism that ...
Choke valve, Butterfly valve used to limit air intake in internal combustion engine. (Not to be confused with choke valves used in industrial flow control, above.) Clapper valve: a type of check valve used in the Siamese fire appliance to allow only one hose to be connected instead of two (the clapper valve blocks the other side from leaking out)
The '80s were a special time for comedy, namely because most of them were downright hilarious -- And one of our favorites was National Lampoon's 'Vacation.'
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