FIG. R.50 TELEPHONE for Party Line Intercommunication
Where a simple non-secret intercommunica- tion system of telephones is required, the Regent type of instrument is ideal. Made in two sizes only, 5-way and 10-way, it forms an exceedingly simple and efficient system having application for warehouse, small office, factory, hotel and institution use.
The Fig. R.50 telephone is a modern design bakelite-cased instrument having an internal bell. Push buttons are arranged centrally in front of case for signalling to desired telephone. Each telephone is supplied ca wired to a bakelite rosette with 6 f cable. The above telephones require core cable for line connections, 7 km for 5 station instruments and 12 line for 10 station instruments.
One central battery, usually 4 to 5 dry required for each installation, together one inductor coil connected in the lead.
FIG. R.26 Inductor Coil, (one required for each installation of telephones), ser page 6. For Dry Cells, see page 8.
