Figure 3.1 Construction of Carbon Composition Resistor. In the center of the figure is a cylinder. Its length is about 3 times its diameter. It is labeled resistance element. To the left and right of the resistance element are objects that look for all the world like nails. For both of them the head of the nail is facing the end of the cylinder. The surface where the hammer would strike is facing the end of the cylinder. The meaning of this figure is that when the resistor is put together the heads of the nails are brought into contact with the ends of the cylindrical resistance element. The part of the nail that is driven into the wood is the resistor lead. Of course these objects are not really nails. This completes the verbal description.
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