Amgueddfa Gwefr heb Wifrau:
Varying Flame Photophone
Amgueddfa Gwefr heb Wifrau:
Voice Transmitter
Amgueddfa Gwefr heb Wifrau:
Wireless Telephony published 1908
Amgueddfa Gwefr heb Wifrau:
BBC Postage Stamps
Amgueddfa Gwefr heb Wifrau:
Independent Television Authority, Test Card, Moel y Parc circa 1960s
Amgueddfa Gwefr heb Wifrau:
Independent Television Authority, Test Card, Moel y Parc circa 1960s
Amgueddfa Gwefr heb Wifrau:
Independent Television Authority, Test Card, Moel y Parc circa 1960s
Amgueddfa Gwefr heb Wifrau:
BBC Yearbook_1930
Amgueddfa Gwefr heb Wifrau:
BBC Yearbook_1930_ST&C Transmitter
Amgueddfa Gwefr heb Wifrau:
BBC Yearbook_1930_Belcanto Receiver
Amgueddfa Gwefr heb Wifrau:
Transmitter Power Meter
Amgueddfa Gwefr heb Wifrau:
B6550_Band 1_FM transmitter
Amgueddfa Gwefr heb Wifrau:
BBC Engineering_1922_1972_Edward Pawley
Amgueddfa Gwefr heb Wifrau:
H1000_HF_Transmitter
Amgueddfa Gwefr heb Wifrau:
H1000_HF_Transmitter_Page 2
Amgueddfa Gwefr heb Wifrau:
Marconi Band 3_TV Translator
Amgueddfa Gwefr heb Wifrau:
Transmitter Valves
Amgueddfa Gwefr heb Wifrau:
Mullard_QQV02_6
Amgueddfa Gwefr heb Wifrau:
EIMAC_4CX250B_base
Amgueddfa Gwefr heb Wifrau:
EIMAC_4CX250B
Amgueddfa Gwefr heb Wifrau:
QQZ06_40_side_soft valve
Amgueddfa Gwefr heb Wifrau:
QQZ06_40_front
Amgueddfa Gwefr heb Wifrau:
Mullard_QQV03_20A_side
Amgueddfa Gwefr heb Wifrau:
Mullard_QQV03_20A_front
Amgueddfa Gwefr heb Wifrau:
Mullard_QQV07_50_front view
Amgueddfa Gwefr heb Wifrau:
Mullard_QQV07_50_side view
Amgueddfa Gwefr heb Wifrau:
Transmitter Valve
Amgueddfa Gwefr heb Wifrau:
Philips_QB4_1100
