“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

  • FROM “SPIDOLY” LAB!FROM “SPIDOLY” LAB!
    Instruments based on the radio. Technical progress is relentless it forces us to buy all new electronic devices, and old, but usable receivers, tape recorders, record players and tape...
  • BACKPACK ON WHEELBACKPACK ON WHEEL
    Our Housewives, especially the elderly, has long been appreciated by trolley — a small two-wheeled cart attached to its frame bag, reminiscent of a tourist backpack. How many different...