CARD TRANSLATOR FOR NATIONWIDE DIALING 



1067 



I 



••*'*• 



Fig. 19 — Coded template (below) and associated card. 



manufactured as the 200A blank, was controlling and, therefore, it 

 will be duscussed in some detail. 



CARD (200a blank) 



The general form of the card is illustrated by Fig. 4. The working card, 

 however, is unmarked as may be observed by reference to Fig. 3. Mark- 

 ing is not required because the cards are coded in accordance with 

 information furnished on a paper template, such as is shown in Fig. 19 

 and this template is retained as part of the office records for ready refer- 

 ence. A card may readily be identified for reassociation with its template 

 by reading its tab code. The template provides considerable administra- 

 tive data. The dark half of the holes and the triangular representation 

 of the tabs are printed in red as is a strip along a portion of the left- 

 hand edge. After coding, the card is placed over the template. If the 

 red edge portion is visible the card must be turned end-for-end. If, after 



