File:Model of the ‘Optimus’ water closet, England Wellcome L0059168.jpg

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Model of the ‘Optimus’ water closet, England
Title
Model of the ‘Optimus’ water closet, England
Description

Model of the ‘Optimus’ water closet, England, 1870

Invented by Stevens Hellyer in 1870, the ‘Optimus’ water closet or toilet was an improvement on earlier designs, flushing more efficiently and quieter. Raising the handle opens a large valve at the base of the pan and also turns on the flushing water. The flushing water runs for a time to ensure that the pan and valve are fully flushed. Keeping the flap clean was difficult but many toilets of this type were still used a hundred years later. Hellyer was a campaigner for better plumbing, writing the textbook The Plumber & Sanitary Houses in 1877. Made by Dent & Hellyer, this model, which was constructed for a patent application, was donated to the Science Museum by the Earl of Cranbrook in 1961.

Medical Photographic Library
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This file comes from Wellcome Images, a website operated by Wellcome Trust, a global charitable foundation based in the United Kingdom. Refer to Wellcome blog post (archive).
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References
  • Library reference: Science Museum 1961-32
  • Photo number: L0059168
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https://wellcomeimages.org/indexplus/obf_images/f0/72/0f4c66f7c510edea7806779d7c32.jpg

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