Als Arendal Smelteverk Eydehavn, Norway Leading manufacturer of Silicon Carbide SIKA (Reg. Trade Mark) Special qualities of Sika for abraz sive wheels of every kind. A separately crushed product for abrasive paper and cloth. A solid, tough grain for glass and granite grinding. Accurately graded Micro grits for the optical industry. Sika pastes for valve grinding. Specially controlled grades for making refractory bricks, slabs, muffles, etc. Scientific control of products. Sika for nonslip floors and steps. We export to all parts of the world. We invite cor- respondence directed to our office at Eydehavn.