Radiation Absorption Box.
This metal box has a transparent front panel and is painted dead black on the inside. Stoppers are provided for internal and external thermometers (not included). When the unit is placed in front of a radiant heat source, such as a heat lamp or direct sunlight, the interior temperature rapidly becomes much higher than the outside air.
Wabash Model #GS-11.
Forensics Lab Supply Number 3178011.
Formerly Grau-Hall Corporation dba Grau-Hall Scientific.
All products shipped from Wabash, Indiana.