Now, almost everywhere applied electronic machines and appliances, the programme of work which is carried out by using perforated paper tapes and cards. Therefore, it is easy from already used punch cards to pick up where the holes were located in one row. Essentially, this is a ready device for drawing dashes: apply to the centers of the holes, a ruler and a pencil or pen — under the card will remain clear dotted line.
Recommend to read
THE BATTLE OVER THE FOREST GLADE
Kordovye aircraft models — the most popular among modelers. First among them is "air fighters". And it is clear. The airfield may be a stadium, any forest or meadow flat area with a...
SCHEMATIC MODEL OF THE AIRCRAFT
Schematic flying models — the basis of mass sports: Effective speech with "sketchy" the competition gives right to assign the Junior category. The first such model with rubber motor was...
