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Resistor
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Resistor 47K
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Resistor 47K
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resistor

47K Ohm 1/4 watt Carbon resistor

This is a favorite value of resistance for use in Crystal Radios.

Resistor 2M
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Resistor 2M
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resistor
2 MEG  Carbon 1/2 watt Resistor
This is the value used in many One and Two Tube Regen Radios.