
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
BOILER room? NO SOLDERING!
An experienced gardener knows that cucumbers and some other vegetables and berry plants to water should be only warm water. For those who have on the plot there is water, offer simple,...
THE LAST BOAT BUBNOVA
The tragic outcome of the Russian-японскоq war aroused in naval circles many contradictory opinions about how to be newly created Russian fleet. Considerable attention in these debates...