ble. It therefore escapes attention until the dam- This is the way to make the oracle speak; we will been moistened by sprinkling—were collected in a afterward give the secret of its accurate answers. age is done. Often under new cars one can see loose rods bearing upon stay rods and trusses, with-… … conceals a vertical U-shaped magnet, having its Fig. 2. DETAILS OF THE MAGNETIC ORACLE. two poles near the base; as shown in Fig. 2. In each of the cards there is another magnet vibration. If the louder noises and sounds about concealed, a straight rod, occupying a different ears and locomotives…
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