School Lab Heat Absorption and Radiation Comparator

School Lab Heat Absorption and Radiation Comparator

Comprises a 12 V bulb which acts as a heat source and 2 parabolic metal bodies, one finished in black and one in shiny metal.  
The apparatus allows demonstration for comparing heat absorption & radiation between dull and black bodies. 
These bodies have 2 thermometer holders attached for temperature readings. 
Instructions included. 
Thermometers not included.