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PLUG RESISTANCE 4.4 KΩ

Type:     Multiplexing Equipments
Place Made:     Unspecified
Date Made:     Unspecified
SIZE:     L0* W16* H13cm
Function/Purpose:     Used in early high-power radio stations, such as the ultra short wave coast radio stations, variable capacitors are a major component when applying oscillation, tuning, and amplification.(witten by WU, LONG-SHAN)
Characteristics:     This device is a variable resistance device which alters its resistance by changing the contact point of the lower part plug and upper part rotor.
 

 

Text and images are provided by National Science and Technology Museum

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