The 1950s television channel converter was a device that would allows users to switch between BBC and ITV.
AERIALITE TELEVISION BAND III CONVERTER FOR 1950s TELEVISION UNTESTED
Vintage RCA TV Television Channel Dial Knob Replacement Part #137576
Vintage RCA UHF Television Channel Dial #124991 TV Part
Old Television Channel Markers and Letter, VGKS-0452/0454
Vintage Television Channel Selector UHF Tuner Insert (clear numbers)
Vintage Television Channel Selector UHF Tuner Insert (silver numbers)