
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
FLOATING ARMORED VEHICLES FOR THE RED ARMY
In the thirties of the last century in Germany was issued a Handbook Heigle "Tanks" for many years and then enjoyed great popularity among the military specialists. Already in the first...
THE TABLE GREW UP IN THE BOOKCASE
Since the story of the design and manufacturing of two pieces of furniture: shelves and coffee table, I note that these needs (and even necessary) things that we have in the house are...