Talk:Alexander Cumming

Untitled
Some sources say that his last name is Cummings, and some say it is Cumming. Does anyone know which one is right?Reseacher1996

Source PDF
ATTOW there is just one source, a PDF from twyfordbathrooms.com. The URL for that PDF no longer works, and I had a look at their site map and couldn't see a replacement. I was, however, able to get the PDF from http://web.archive.org/web/20070626202546/http://www.twyfordbathrooms.com/default.asp?path=1;52;8648;8723 Open4D (talk) 11:45, 7 July 2013 (UTC)

External links modified
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 * Added archive https://web.archive.org/web/20151222211047/http://historyofscience2014.blogspot.co.uk/2014/02/alexander-cummings-and-flush-toilet.html to http://historyofscience2014.blogspot.co.uk/2014/02/alexander-cummings-and-flush-toilet.html

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S-trap
There seems to be confusion about Cumming(s) and his 1775 patent, particularly regarding the S-trap.

Although his 1775 patent for a valve water closet includes one in the waste pipe, the main elements of his patent were the sliding valve, low-level water inlet and linking the flush valve with the water inlet valve to allow the pan to be emptied, flushed and refilled with a single pull, which were themselves significant enough improvements to warrant his reputation as a sanitary pioneer. Adam Hart-Davis notes that Cumming's patent described the S-trap as "too well known to require a description here" which suggests that Cumming did not invent it himself, or at least that it was not new in this patent. Including claims that he invented the S-trap would seem to be promoting a 'fact' that is not at all certain; it is, however, significant that he included it in the first patent for a flush toilet.

--SouthHamsian (talk) 15:03, 9 September 2019 (UTC)