On 10 Nov 2006 16:22:10 -0800, "Chuck Gould"
wrote:

Okay, so now we now that the barrel is immediately above a head and
plumbed to some sort of chase that runs down to the keel.

Pressure water system for the owner's shower.

Sun hits barrel, heats water, gravity feeds it below.

Modern plumbing and engineering at work. Who needs electricity?