Thank u david On Monday, August 31, 2015, David Pilling <david@pilling.demon.co.uk> wrote: > Hi, > > On 31/08/2015 12:14, From HK wrote: > >> What is a hot water cylinder and how did it play a part in the >> germination ? >> > > Old domestic plumbing features a hot water storage tank (aka cistern, aka > cylinder) - often located in an "airing cupboard" where clothes are dried. > A place that is constantly warm and hotter than anywhere else in the house. > > For more detail of the engineering see: > > > http://aphc.co.uk/UNDERSTANDING%20HOT%20WATER%20SY… > > > > -- > David Pilling > http://www.davidpilling.com/ > _______________________________________________ > pbs mailing list > pbs@lists.ibiblio.org > http://pacificbulbsociety.org/list.php > http://pacificbulbsociety.org/pbswiki/ > -- HK🐇👸 _______________________________________________ pbs mailing list pbs@lists.ibiblio.org http://pacificbulbsociety.org/list.php http://pacificbulbsociety.org/pbswiki/