Patten (shoe) guild of the Patten-makers, or Patteners, and their adopted church remains St Margaret Pattens. The first record of the guild dates to 1379, and there was still a pattenmaker listed in a London Trade Directory in the 1920s. A notice, probably 18th century, in the Guild Church still requests ladies to remove their pattens on entering; other English churches have similar signs, and in one case, a board with pegs for ladies to hang them on. Patten (shoe) Pattens are protective overshoes that were worn in Europe from the Middle Ages until the early 20th century. Pattens were worn outdoors
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