TELEPHONE EQUIPMENT FOR LONG CABLE CIRCUITS 117 



employing the two-way, two-element circuit. Fig. 6 shows the 

 general arrangement proposed for a group of sets of this type in a 

 large installation, as in a cable office. This set is expected to have 



MOUNTING PLATE 



TUBES 



Fig. 5 — Typical Assembly of Panel Mounted Repeater Set 



Fig. 6 — Group of Panel Mounted Repeaters as Arranged in a Large Installation 



many advantages adapting it particularly to cable installations. 

 When mounted as shown in Fig. 6 it will occupy but 1.5 square feet 

 of floor space per unit. Fig. 7 shows how this set may be arranged 



