shaft is rotated at the rate of 100 RPM by an electric motor. Suitable for operation on 230 volts 50 cycles, single phase, AC Supply. The flow table determining the flow of portland coment concrete. Consists of flow table a top 76.2 cms (30") dia, finely machined froma solid brass/gunmetal casting. The stand is fabricated out of cast iron/mild steel and is of study construction. The ground and hardened steel cam is designed to drop the table by 12.5 mm. complete with flow mould with handles with one tamping rod 0-60 cms long X 16 mm dia. Electrically operated to raise and drop the table top. Approx. 15 times in 15 seconds. Suitable for operation on 230 volts, 50 cycles, A.C. Supply.