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Grinnell's bottom line was so attractive that in December 1968 the giant conglomerate International Telephone & Telegraph (ITT) offered to acquire Grinnell for an exchange of stock valued at almost $250 million. Grinnell shareholders backed the merger in August 1969, despite the Justice Department's decision to oppose it on antitrust grounds.
Grinnell improved Parmalee's first practical automatic sprinkler and patented his own Grinnell sprinkler in 1882. [5] Continual improvements resulted in the glass disc sprinkler in 1890. With slight modifications, this sprinkler head is still used in modern fire sprinkler systems ; sprinklers are even called le Grinnells in France. [ 6 ]
The clevis is a U-shaped piece that has holes at the end of the prongs to accept the clevis pin. The clevis pin is similar to a bolt, but is either partially threaded or unthreaded with a cross-hole for a split pin. A tang is a piece that is sometimes fitted in the space within the clevis and is held in place by the clevis pin.
Grinnell Regional Airport covers an area of 115 acres (46.5 ha) at an elevation of 1008 feet (307 m) above mean sea level.It has one runway: 13/31 is 5,200 by 75 feet (1,585 x 23 m) with a grooved concrete surface, it also has approved precision instrument approaches.
Grinnell employs about 750 workers, with about 125 who report to the headquarters in the Iowa city the company is named for. Menary said the company reinsures about 70 mutuals in Iowa, down from ...
When Thorn was purchased by Tyco-owned Grinnell in 1996, their systems were branded under "Grinnell/Autocall". [5] In 2001, Tyco purchased Simplex Time Recorder Company and merged it with Grinnell, forming SimplexGrinnell. [6]
The number system, like Sch 40, 80, 160, were set long ago and seem a little odd. For example, Sch 20 pipe is even thinner than Sch 40, but same OD. And while these pipes are based on old steel pipe sizes, there is other pipe, like cpvc for heated water, that uses pipe sizes, inside and out, based on old copper pipe size standards instead of steel.
Grinnell College (/ ɡ r ɪ ˈ n ɛ l / grin-EL) is a private liberal arts college in Grinnell, Iowa, United States. It was founded in 1846 when a group of New England Congregationalists established Iowa College. It has an open curriculum, which means students need not follow a prescribed list of classes.