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min max thermometer
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Rob Morley
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min max thermometer
On Tue, 15 Jan 2019 17:11:38 -0000 (UTC)
(Andrew Gabriel) wrote:
Air duster cans used upside down also work (I buy in bulk from
Costco), and also butane lighter refill cans (used outside, away from
ignition sources). Never measured what temp they go down to though.
Apparently butane boils at -1C.
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