PM-587 AIR PUMP WITH PLATE

A simple single action vacuum pump for use where very high
degrees of vacuum are not required. Comprises an air pump (PM
487) with ground bell jar plate of 200 mm. diameter. The plate
provided with a riffled inlet nozzle and a stopcock for air
regulation. The complete apparatus is mounted on wooden base of
size 350 x 210 mm., provided with four rubber feet