Hemisferium Gunter´s QuadrantThis instrument is a replica based on two of English mathematician and astronomer, Edmund Gunters quadrants made in the mid eighteenth century. The original pieces, made by unknown English authors, are at the Greenwich National Maritime Museum in London. On the face side, the instrument presents a local height quadrant furnished with a fin for establishing the Suns height and a plumb with a sliding pearl. It contains a series of scales, some of them