MEASURE PIN

MEASURE PINTo measure the thickness or diameter of small fasteners do not have to have a caliper: rescue improvised version of conventional clothespins. It is sufficient to attach the metal plate coated with graduations as shown in the figure.
 
I. KORENEV, Korolev, Moscow region

Recommend to read

  • DURABLE TENTDURABLE TENT
    Undoubtedly of interest to many tourists are the publication of the journal "modelist-Konstruktor". But they mainly describe the various vehicle designs and less emphasis on other...
  • Harvest storage roomHarvest storage room
    The development of garden and vegetable cooperatives, and the construction of dachas and cottages, has sparked increased interest in structures designed to preserve the generous gifts of...