ocr: THERMOMETER - MAXIMUM A AIR TEMPERATURE SCALE ALCOHOL. ALCOHOL EAT MAKES LIQUIDS expand. HThel length ofacolumn of alcohol in a glass tube can be used to measure temperature. Expansion and contraction of the alcohol in the right-hand arm of the thermometer shown here forces a column of mercury around a U-shaped tube. The mercury moves two steel markers MARKER: which record the maximum and minimum temperatures. MERCURY a MINIMUM. 20 XSR SEE Clinical TEMPERATURE EE EI ALSO Themmometet SCALE - 5 iiebis 21>
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