National Geographic : 1923 Nov
Gold i plat -in your telephone e " PEECH is silvern, silence is golden", says the adage but the men who made your tele phone know that gold assists in the perfect transmission of speech. So fine are the materials and careful the workmanship that you would think a telephone some masterpiece of the jeweler's art. But if you consider its strength of construction and remarkable lasting quality, your telephone seems as though hammered out on a blacksmith's forge! Western Electric Since 1869 makers of electrical equipment With the help of gold and platinum wires, these tiny switchboard lamps flash your signal to the operator.