To be near unto God - pagina 34

"HEARKEN UNTO ME, MY PEOPLE." "GIVE HEED TO ME, O LORD." At one time it was thought that sound came from the throat, that its power was limited, and that it could only make our word intelligible at short distances. No one could hear us, nor we him, from a greater distance than our voice could carry. When there was anything to say, messengers were sent to carry it. When writing was invented, communications were carried

by

letters.

All this, however, is changed. By this time it is understood that the throat has no sound of its own, but merely enables us to occasion vibrations in the air. And that these vibrations find an artistic instrument in the listening ear to receive them. When we speak we transmit our thoughts in these vibrations. They glide along air-waves to the ear of him who listens. And through the ear they wake the self -same

thoughts in him. our speech. But this was not enough. It was discovered that apart from voice and ear, communication could be established at far greater distances through electricity. This was first done by means of visible signs, and thus the telegraph originated. But later it was found

Such

is

that a similar contact of throat upon the ear could be obtained by means of an extended metal thread. This discovery gave us the telephone. And at length we have advanced still further and intelligible communication is achieved independently by itself through the air, and at distances of two or three thousand miles without telegraph or telephone wires, 26

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