THE METHOD OF EXCAVATION…

THE METHOD OF EXCAVATION...The British magazine “Practical Householder” reminds readers about the DS one the oldest methods-plan sections using the so-called Egyptian triangle with sides in the ratio 3:4:5. If you make a triangle out of durable nylon twine, combining stretches it with a metal SANB, we will get a reliable and accurate tool for marking angles.

Recommend to read

  • FINISH VENEERFINISH VENEER
    Furniture manufacturer of plain (uncoated ahah!), the DSP completes its finish. Although this is a simple, but important step, which largely determines the appearance of the finished...
  • ROCKET FIGHTER TANKSROCKET FIGHTER TANKS
    In 1957 the Soviet Union began to develop missiles for army vehicles. In the Kolomna Design office of mechanical engineering B. Shavyrina studied the possibility of equipping tanks...