Ingen-Hausz apparatus

Ingen-Hausz apparatus

[¦iŋ·gən ′hau̇s ‚ap·ə‚rad·əs]
(thermodynamics)
An apparatus for comparing the thermal conductivities of different conductors; specimens consisting of long wax-coated rods of equal length are placed with one end in a tank of boiling water covered with a radiation shield, and the lengths along the rods from which the wax melts are compared.