MS-211 PVG CONSTANT VOLUME AIR THERMOMETER

Consist of a wooden stand of height 1.05m., fitted with a wooden
scale graduated 0-100 cm. x 1 mm and supporting an adjustable
mercury reservoir and a air thermometer glass bulb. The bulb 65
mm. diameter fixed on a wooden bracket. Reservoir with side arm
which lies over the scale division facilitating accurate readings.
Mounted on a sliding metal bracket, base of the stand in the form
of a tray which serves to take any mercury spillage, with one meter
of rubber pressure tubing 5 mm. bore and 10 mm. outer diameter
used for connecting the reservoir to the bulb. Supplied without
mercury.