538 



HI. 1. 1. S)SII.\t I IXllML.M. JOLRSAL 



used logcllur in llii: same city because of conflict in the dialing process. 

 Phonetic conflicts are also exceedingly important in telephone opera- 

 tion. In fact, they form one of the most important factors that must 

 be considered in the selection of an office name. Pronunciation of the 

 name must also be easily understood. Thus we find that in the case 

 of the metropolitan area something like 72 sources of names were 

 consulli'd: for instance, historical works, geographical works, postal 



Kli;. I() \\'i»l .ililh Strcti liiiilding, Ni-w \"ork titv 



guides, telephone directories, and other sources, and out of 100,000 

 names considered not more than I'lO could be used and possibly .some 

 of these fni further stuch' will ha\e to be eliminated. 1 lia\e mentioned 

 this detail of o|)erati()n sim|)l\' to illustrate the \arirl\ of the problems 

 for the telephone engineer and the extent to which he must consider 

 them in order to insure the grade of service \\i' are all striving for. 



The erection nl mw buildings and .iddilidiis to existing buildings is 

 also a large problem, there being 12 new i)uildings and 21 additions 

 erecletl in New \'ork during l'.)23 and 11)24. It might be interesting 

 to note that for these buildings and eciuipments it is necessary to 

 consider not onK- the proper association of the various elements of the 



