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
“BEAVERS” AND “SEALS” THE KRIEGSMARINE
The German Navy was engaged in an ultra-small boats only in 1944. Prior to this the Germans managed to capture a number of European States, without resorting to the use of underwater...
FAMILY FAMILY CAR
Russia is rich in people who can not imagine life without Hobbies, and his name—technical creativity. Their heads are busy with ideas and projects, and hand — work. Many of these...
