
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 TRESTLES-IMPROMPTU
That usually takes home the wizard when you need to saw off the bar or the Board? Most often, kitchen stool, judging by the scars left on it by the saw. Meanwhile, it is easy to make...
“SECRETS” MOUSE
The prototype of the computer mouse — a two-dimensional analog of the manipulator, connected to a personal computer (PC or PC) via the serial port corresponding to the RS-232 standard,...