Induction Coil 50mm
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To produce high voltage alternating current or pulses of high voltage current from a low voltage direct current source. Suitable for use with gas filled discharge tubes, vacuum tubes, eudiometers and for general laboratory work. Comprised of two coils fully enclosed in a polished wooden case with binding posts. Includes adjustable vibrator system, primary current polarity reversal and off-on switch, a condenser enclosed in the box and special alloy contacts. Spark gap at the discharge points can be adjusted by sliding rods back and forth. Requires 6-12 volt power source such as a battery. Maximum spark length: 50mm. Can continuously run for 45 minutes or more before needing to be turned off.