HISTORY OF PLUMBING

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John Harrington

John Harrington

Invented the modern day water closet

Alexander Cummings

-Reinvented Harrington’s water closet

-Invented S-Trap, Trap, and Sliding Bowl

Samuel Prossen

-Patented the Plunger Closet

-Invented a toilet with a valve at the bottom

Thomas Twyford

Invented the trapless toilet in one piece.(mechanism is considered as pioneer in Sanitary Science.)

J.G Jennings

-Patented the washout water closet

Washout Water Closet

Shallow pan with a dish trap and water seal.