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
FROM MOPED — MOTORCYCLE
This machine I once (in 1998) collected from degraded and abandoned because the owners of the parts and components of various vehicles. Rama — from the Riga moped RMZ-126 "Delta". From...
SQUARE-FACEPLATE
During fabrication of the models all of us often have to process with high precision perpendicular and aligned the holes for the bearings and bushings in housings, crankcases, engines...
