civil concrete technology lab items apparatus for civil lab , civil concret technology lab items , [flow table apparatus for concrete :to raise and drop the table top approx 15 times in 15 seconds suitable for operation on 230 volts 50 cycles.a.c supply]flow table diameter=762mm dimension of cone top diameter =170mm bottom diameter =250mm height=120mm dimension of tamping rod 10mm dia&300mm length , le-chatler apparatus with accessories:it consist of small split cylinder 30mm diameter,30mm high made of spring brass forming a mould on either side of the split cylinder, two parallel indicating arms with pointed ends are attached .supplied complete with two glass plate and lead weight.