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128mm Aluminum Aneroid Barometer

Gelsonlab HSGT-037 High quality 128mm Aluminum Aneroid Barometer

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Didax Anemometer

Gelsonlab HSGC-005 Educational Cup Anemometer with Revolving Wind Cups Wind Speed Measurement Tool Didax Anemometer

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Digital Lcd Thermometer Hygrometer

Digital Lcd Thermometer Hygrometer Gelsonlab HSGT-052 Multifunction Digital Thermometer Humidity Gauge Clock with Big Screen Room Temperature and Humidity Indicator

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Long Stem Digital Thermometer

Gelsonlab HSGT-053 Long stem Digital thermometer, Waterproof Digital thermometer,

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Wind Speed Meter

Gelsonlab HM-GC003 Wind speed meter wind vane anemometer cup wind speed

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Metal Backed Thermometer

Gelsonlab HSGT-062 Metal backed Thermometer V Shaped Dual Scale Mercury Free Thermometers for Indoor Science Use

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