GPO PO telephone exchange 50v indicator lamps various colours x 8.
GPO PO telephone exchange 50v pearl indicator lamps & 6 brass holders.
6 Vintage GPO & PO Isolation Spanners Post Office Telephones exchange tools
GPO PO exchange 50v indicator lamps BC x 4 with 2 brass holders.
GPO Bakelite Telephone 328F, 1953, Ivory, Rare GPO Logo Drawer, Exchange Button
Vintage GPO Telephone Exchange Pulse Clock Type 70A 1962 Mark 2
