S1: The minimum thermometer has a large bore and its fluid is colourless alcohol.
S6: The daily temperature is recorded since a permanent, continuous record of temperature is desired.
P: When the meniscus moves up the bore it leaves the index behind to register the lowest temperature.
Q: Resetting the dumbbell of the minimum thermometer is accompanied by the action of inverting the stem until the index slides down to the meniscus.
R: A tiny, dark index in the shape of a long dumbbell is placed in the bore below the top of the alcohol column.
S: It is mounted horizontally and as the alcohol contracts with the decreasing temperature the meniscus of the alcohol pulls the index down.
Q S R P
Q P R S
S Q R P
S R Q P
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