Yes. The other end of the pulley is connected to a float in the tank. The
higher the float, the lower the outside indicator.
I remember these from my misspent youth working for an organisation which
On Sun, 22 Nov 2020, 10:57 am Mal Rowe, mal.rowe@...> wrote:
> On 22/11/2020 00:49, David Featherstone wrote:
> > Thanks Mal, that's great. Yes, Brizzy's version is very up-market
> > indeed. I never realised that was a water tower.
> It even had a depth gauge - which I think shows "FULL" in the attached
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