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
ALWAYS AND IN ANY WEATHER
Many of you probably noticed that the wiring of cargo ships in the mouths of rivers, on inland waterways and open sea raids using special vessels with a large inscription on Board the...
Around the Nail
It would seem that driving a nail is about as simple as it gets. Still, even this seemingly straightforward operation requires a calculated approach and some experience.
1. Long nails...
