Walther Flender - 21 SP Polyurethane cuff

200 g 48" HIGH ALTITUDE SOUNDING / WEATHER METEOROLOGICAL BALLOON Foil Sealed

Thermometer Taper Joint -10 to 150ºC 125mm

Sanwa PM7a | Pocket Size Digital Multimeter with Built-In Case

Cole Parmer 68000-49 = Traceable 6530 - Digital Barometer 500 to 1030 mbar

Digital Altimeter Barometer Thermometer Weather Forecast with LCD Display

Masons Hygrometer C&F Wet & Dry Bulb Weather Air Humidity Moisture

Dial Barometer