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Updated January 1, 2005
Mackay Radio,
Added to the Mackay System
in 1925
Extended communications beyond fixed cable and telegraph land lines to the limitless possibilities of radio.
Radiogram. Pre-ITT merger,
c. 1925-1928
Radiogram heading logo. Post-ITT merger,
c. 1930s
1933 Ad for Mackay Radio Maritime service (ship-to-shore communications)
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