File:Pasteur Germ Proof Filter, c. 1890, Pasteur-Chamberland Filter Co., Dayton, Ohio - Museum of Science and Industry (Chicago) - DSC06633.JPG - Wikimedia Commons
National Museums Scotland - On World Water Day we consider how billions of people across the globe still lack access to clean drinking water. In some areas, modern Pasteur Chamberland style filters
![Chamberland porcelain and metal water filter invented by Charles Chamberland in 1884 to produce filtered water free of bacteria, it works better when the water supplied is under pressure Stock Photo - Alamy Chamberland porcelain and metal water filter invented by Charles Chamberland in 1884 to produce filtered water free of bacteria, it works better when the water supplied is under pressure Stock Photo - Alamy](https://l450v.alamy.com/450v/2an6y5j/chamberland-porcelain-and-metal-water-filter-invented-by-charles-chamberland-in-1884-to-produce-filtered-water-free-of-bacteria-it-works-better-when-the-water-supplied-is-under-pressure-2an6y5j.jpg)
Chamberland porcelain and metal water filter invented by Charles Chamberland in 1884 to produce filtered water free of bacteria, it works better when the water supplied is under pressure Stock Photo - Alamy
![National Museums Scotland a X: "Charles Chamberland worked with Louis Pasteur and invented the Pasteur Chamberland filter in 1884 in order to produce clean water for use in experiments. (2/4) #WorldWaterDay https://t.co/xjE3JilAmK" / National Museums Scotland a X: "Charles Chamberland worked with Louis Pasteur and invented the Pasteur Chamberland filter in 1884 in order to produce clean water for use in experiments. (2/4) #WorldWaterDay https://t.co/xjE3JilAmK" /](https://pbs.twimg.com/media/D2RGLdVWsAA1wOh.jpg)