One of the Marconi high speed telegraph stations at Ongar , Essex . The aerial is carried on the graceful 300 ft high self supporting steel towers . The earth screen is supported by the smaller towers seen in the picture . Marconi 's Wireless Telegraph Co Ltd . 1 January 1925
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Creative#:
TOP18936705
Source:
達志影像
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RM
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須由TPG 完整授權
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