“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

  • MAGNETIC PROBE WITH ALARMMAGNETIC PROBE WITH ALARM
    Of the readers who didn't lose metal parts or tools? Sometimes it happens at the most inopportune time and threatens to permanently stop work. Lost somewhere in the grass screwdriver...
  • UNIVERSAL PENCILUNIVERSAL PENCIL
    I want to share with the readers of his instrument who successfully work for a long time. Similar design available to me in the literature I have not met.   As you know, when you...