1) Prepare a Thermos (or equivalent vacuum insulated bottle) by drilling a hole in its cap to
accept the thermocouple or use a standard laboratory cork.
2) Fill the Thermos with shaved or crushed ice made from distilled water.
3) Fill the Thermos with enough distilled water so that the ice becomes slush, but not enough
to float the ice.
4) Replace the Thermos cap or cork and insert the thermocouple.
Note 1
Ice Bath Construction
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