f time up to one hundred yearsago, the transmission of the spoken word depended upon thevolume of the speakers voice, and news of great events was At the beginning of last century, the telegraph came intouse. Later on, the telephone, followed only a few years agoby the transmission of wireless… … THE ROOF OF THE HERALD BUILDING, SHOWINGTHE AERIAL INSTALLATION. conveyed by men traveling on foot, on horseback and acrossthe waters by boats or sailing ships. Armies were gathered bymeans of signal fires from the mountain tops. Thousands of years saw very little change and even at thetime of the…
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