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| | | #REDIRECT: [[Minimum thermometer]] |
| #REDIRECT [[minimum thermometer]] | |
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| == minimum thermometer ==
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| <div class="definition"><div class="short_definition">A [[thermometer]] that automatically registers the lowest [[temperature]] attained during an interval of time.</div><br/> <div class="paragraph">The alcohol-in-glass minimum thermometer contains a dumbbell-shaped [[index]] that is kept on the bulb side of the [[meniscus]] by [[surface tension]]. The thermometer is installed in a horizontal mounting (<br/>''see'' [[Townsend support]]) so that as the temperature falls, the index is pulled toward the bulb and remains at the [[minimum]] point as the temperature rises. A [[bimetallic thermometer]] with a circular dial is also used as a minimum thermometer. A free index, mounted concentrically with and driven by the thermometer index, is held by [[friction]] at the [[minimum temperature]]. <br/>''Compare'' [[maximum thermometer]].</div><br/> </div>
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| [[Category:Terms_M]]
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