NOT A BUTTON, AND WEDGE

NOT A BUTTON, AND THE WEDGEHow often in the lectures or lessons on a stand, posters and other visual AIDS? Of course, stationery buttons! In recent years, however, they comes to the aid of sticky tape. However, neither one nor the other can not be called gentle fixtures — they spoil what keep. Universal and yet does not harm the posters device can be made of conventional rails. Connect the three strips of different width so that between them formed a groove — it will hold, for example, maps: it is enough to jam the cut sheet of rubber or conventional eraser wedges; and the — beveled fourth rail.

Recommend to read

  • THE BALL-PRAGONETTHE BALL-PRAGONET
    Making such a toy, you not only will learn to work with a hacksaw, a drill and other simple tools, but you will get a great shell for sports training.   Look at the drawing....
  • TILLERS SIBIRYAKTILLERS SIBIRYAK
    Simplicity in manufacture and maintenance, reliability, versatility— these are the qualities that I wanted to achieve by producing tillers. Now, after two years of operation at the farm,...