For determination of coefficient of absolute expansion of
mercury. Modified form. Consists of columns surrounded by
a glass jacket approx. 460 mm long 25 mm dia closed by rubber
bungs and fitted with inlet and outlet tubes for steam and
cold water respectively. The lower ends of the tubes are bent
the horizontally and are connected. The upper open ends of
the vertical limbs are bent so as to be placed side by side
against a silvered glass scale 0-12 cm 1mm figured every 2
cm. The whole apparatus is mounted on a wood stand by means
of spring clips. All the glass parts are easily removable.
Overall height about 750 mm supplied without mercury.