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This resistor is exactly 10 ohms at a temperature of 23.7 degrees C. It was purchased in 1892 for $5.00. Connection to a circult was made through mercury in the cups into which the heavy leads from the resistor dip. |
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This resistor is exactly 10 ohms at a temperature of 23.7 degrees C. It was purchased in 1892 for $5.00. Connection to a circult was made through mercury in the cups into which the heavy leads from the resistor dip. |
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