SCISSORS WITH RULER

SHEAR LINEThey say: “measure twice — cut once”, but if one of the shear blades to cause a spark or graviroval marker centimeter scale, as shown in the figure, from a preliminary marking in many cases will be abandoned. It is sufficient initially to dissolve the scissors so that the point of intersection of the blades were “0” and then to control the magnitude of the slit displacement of this point relative to the scale.
 
A. VASILIEV, Krasnoyarsk

Recommend to read

  • HELPER TABLEHELPER TABLE
    Illness is equally burdensome for both children and adults - the recent pandemic is a clear example of this. In such a situation, a small and convenient bedside table will certainly come...
  • FORGE OF THE SIX BRICKSFORGE OF THE SIX BRICKS
    The tinkerers are often faced with the need to forge some tools or household items. A temporary forge is easy to make from scrap vehicles. Enough six refractory bricks, blowtorch and...