Geneology display in form of tree - is formed by pieces symbolising sexes fixed to axle with development indicated by thinner axle or arrows

摘要

The tree has a cross-bar (1) on which pieces are hooked which symbolise the masculine sex (2), the feminine sex (3) or an unknown sex (4). The tree's development can be indicated by a thinner bar (6), an arrow (7) or an arrow with two points. The tree can be developed on a surface or in space. The pieces can be of different shapes and dimensions and they can be made in wood, plastics material or magnetic material etc.. The pieces can be fixed to the axle by pressure, bonding magnetism or hooked pile fasteners etc.. USE - For creating a genealogical tree for scientific research, documentation or games.