THE CONDUCTOR-TELESCOPE

THE CONDUCTOR-TELESCOPEOf tubes of different diameter, tightly placed one on another, you can build a jig for drilling end holes in cylindrical rods of various cross sections. For the outer bushings are better to use a steel tube with a thickness of 0.5 mm, and the inner insert can be bent any sheet metal.
 
V. MARTINTON, Novocheboksarsk

Recommend to read

  • THE FIRST ARMORED WHITETHE FIRST ARMORED WHITE
    Daimler and Benz invented his machines in the nineteenth century, but reliable and widespread means of transport the vehicle was only in the XX-om. Military immediately expressed...
  • CUTS HOT THREADCUTS HOT THREAD
    This simple device can be useful to the house master in the manufacture of various frames, boxes, lampshades and other articles made from organic glass sheet, thermoplastic plastic or...