Alpna cottage industries manufactures range of mathematical instruments sets. A set includes set square 45 degrees and 60 degrees, protractor 180 degrees, 15 inches scale, compass, divider, sharpener, eraser and a pencil. Some sets also include gum bottles paper cutter, scissor, pen, etc. Alpna also offers other stationery materials like geoset cases, scales, sharpeners, compass, etc. Alpna cottage industries is was formed in 1974 and have experience, over 25 years of making mathematical instruments and other stationery items.
