“DIMENSIONLESS” ROD

If in a ballpoint pen out of toothpaste, and long rods at hand was not, take the short splice and its extension from the part used stem, cut off from the writing site. To the working rod wrote flawlessly, its tube should be communicated with the atmosphere. Therefore, carefully wash the extension after removing it the bulb.
 
N. RYZHOV, Ust-Kamenogorsk

Recommend to read

  • REMOTE CONTROL SYSTEMREMOTE CONTROL SYSTEM
    The proposed remote control system (remote control) is executed in the form of attachment to the radio commercial production. It allows you to control ten different loads with up to...
  • THE BEST TANK IN 1940THE BEST TANK IN 1940
    August 11, 1933, adopted the worker-Peasant red Army adopted a new medium tank T-28. Production began at the Leningrad plant "Red Putilovets", one of the oldest and most experienced...