[TheForge] Re: Way OT -- remote thermometer for river water

Mike Spencer mspencer at tallships.ca
Fri Apr 22 15:22:36 EDT 2011


You have lab thermometers and 1-1/2" transparent, rigid tubing?

Put the thermometer through holes in a couple of corks that fit the
tube.  Insert the corks/thermometer assy. into the tube, leaving an
inch clearance on each end so the glass thermometer is fully inside
the tube and thus protected.  Cement the corks in place if the fit
isn't real snug.  Plug the bottom of the tube with something that
includes ballast -- lead shot, iron bar or whatever -- just sufficient
to sink the tube and cement it in place.  Attach a bail of heavy wire
and a swivel to the top of the tube.

All same as the bucket but more easily packable, won't risk busting
your thermometer, can be read through the side of the tube and looks
like a cool scientical instrooment.

The addition of waterproof batteries and LEDs for nighttime use is
left as an exercise for the reader.

ObSmithing: The bottom of the ballast should have a gargoyle face
forged into it.  Micro-Al-Paley-esque curlicues on the hand-wrought
bail?


FWIW,

-- 
Michael Spencer                  Nova Scotia, Canada       .~. 
                                                           /V\ 
mspencer at tallships.ca                                     /( )\
http://home.tallships.ca/mspencer/                        ^^-^^


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