Description
● Demonstrates the air convection currents produced by a candle.
● Consists of an enamelled box 230 x 75 x 75mm with a sliding glass cover in front and two detachable glass chimneys on the top. A lit candle is placed under one of the chimneys and the resulting convection current can be observed by using smoke from a smouldering taper.
● Candle included.
