Cleat (shoe) were first used on baseball shoes. A baseball shoe, as defined by the Dickson Baseball Dictionary (3rd Ed), is "a special type of shoe designed and worn by baseball players that features cleats for traction and a full set of laces for support." The first official baseball shoe was invented and produced by Waldo M. Claflin, of Philadelphia in 1882. The use of cleats gained further notoriety in the United States with the birth of American football in the early 20th century. The original football shoes were actually baseball shoes, but innovations quickly emerged. In the 1920s, detachable cleats were
Mud Gas Separator a float-type mud gas separator by a float/valve configuration. The float opens and closes a valve on the mud return line to maintain the mud-leg level. According to pedestal or base type there are: Poor boy degassers are usually named according to the vessel diameter. Types include: The degasser type or configuration is typically customisable. The principle behind the mud gas separator is relatively simple. On the figure, the mud and gas mixture is fed at the inlet allowing it to impinge on a series of baffles designed to separate gas and mud. The free gas then is moved into