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Air Thermometer Bulb
Air thermometer, Heat
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Environmentally Safe Thermometers
Air thermometer, Heat
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Hope’s Apparatus
Air thermometer, Heat
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Laboratory Thermometers
Air thermometer, Heat
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Liquid Expansion Bulb (Expansion Bulb)
Air thermometer, Heat
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Melting Point Apparatus
Air thermometer, Heat
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Thermometer, 5.5 Inches, Red Liquid, Celsius
Air thermometer, Heat