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Day 28: Altimeter
 Raining,
raining, raining, raining. All last night. Off and on all day. Actually
it was quite warm — or it felt so with the four layers I'm wearing.
In terms of science content and filming, the day was very pleasant.
Jonathan and I made the altimeter at the sawmill, took it to the
river bed below Sentinel Point and sealed one end of the tubing.
We carried it to the top of Sentinel Rock to get a calibration reading
for a 40 to 50m change in elevation. We then checked to make sure
the metal detector Jonathan made in a previous programme was still
working.
In between times,
we made tea. Brits do like their tea, particularly with milk!
I helped Mike
L. smash up rocks. I asked if I could help Kathy with the gold but
everything was pretty much under control. The bad part is that several
people are under the weather.
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