Pair Of Glass Combustion Pipettes With Electrical Heating Filaments – No. 2

A pair of similarly constructed clear glass combustion pipettes. Each features an elongated cylindrical chamber, a narrow upper neck, a curved side connection and an extended lower tube. Metal electrical terminals pass through a brown stopper, with insulated leads extending to an internal wire coil. Shows signs of use and localised discolouration. 4 similar units are available for grouping. The stand and clamps are separate items.