Popular Science Apparatus Workshops Pvt. Ltd. Manufactures Lab Willey Grinding Machine. Popular Science Apparatus Workshops Pvt. Ltd. Is an ISO 9001:2000 certified company that offers wide range of Precision equipments. The Lab Willey Grinding Machine is recommended for grinding of dry plant samples. Also for a great variety of commercial dry materials. The unit has two stationary steel edges provided in the cast iron chamber. There is a removable safety glass sheet plate form the face of chamber of permit observation during operation. Willey Mill is fitted on substantial cast iron base. Complete unit supplied with aluminium/cast chamber, polished hoper with cover, wooden plunger, three delivery tubes mounted with sieves cloth mesh no: 20, 40 and 60 mesh. There is one Allen Key for adjusting blades and 3 Glass jars, brush etc. The Lab Willey Grinding Machine is electrically operated to work on 220Volts AC.