Heat System Physics Kit with 54 Components for 15 Experiments, Carry Case Ceramic Labware_Dishes and Jars Wall-mounted Mason's hygrometer with two

Wall-mounted Mason's hygrometer with two identical dual-scale thermometers — one dry and one kept wet via a water reservoir — calculating relative humidity from their paired reading difference

Replacement velcro electrode leads for the Neulog GSR Sensor

75 inches tall with visible crankshaft

and a spring-loaded clip to grip a diffraction grating on the PH0619 spectrometer

sized to read mid-stack battery voltages between the 5V and 15V meters in the line

Heat System Physics Kit with 54 Components for 15 Experiments, Carry Case Ceramic Labware_Dishes and Jars Wall-mounted Mason's hygrometer with twoHeat system physics kit bundles 54 components supporting 15 experiments on thermodynamics and heat transfer in a carrying case for classroom physics.