MAGNETIC BUTTON

MAGNETIC BUTTONShort age pushpin! Careless movement or too rigid Board and the button breaks or bends. There are many various designs of holders for posters and maps — from the simplest (e.g., dozens privernutyh to the wall with clothes pegs) to quite complex. Recommend one method of fixation. This will require a steel strip with a thickness of 1 to 1.5 mm and a width of 20-30 mm and a dozen magnets such as magnetic door latches. Steel strip fixed by screws in the upper part of the chalkboard, but to secure the poster, it is enough to apply it to the strip and to press a magnet. The paper thus securely hold the magnetic forces of darkness.
I. ANASTASIEV, Moscow

Recommend to read

  • ELECTRONIC “MATCH”ELECTRONIC “MATCH”
    They say you can't save much on matches, and yet... A simple and practical electronic "match," the description of which we offer to readers' attention, will free you from the need to...
  • REINVENT THE WHEELREINVENT THE WHEEL
    With this proposal, despite the well-known skeptical saying, our magazine appealed to readers in No. 6, 1969, published a compilation about some unusual designs and a description of the...