Secondary coil for use with the U-core with Yoke (U8497180) to generate high voltages which can cause spark discharges between two shielded horn electrodes. Coils are covered with impact resistant plastic so that they are safe to touch and use safety connection sockets.
![High Voltage Coil with Horn Electrodes, 1000991 [U8497460], Demountable Transformer D](/imagelibrary/U8497460/U8497460_01_High-Voltage-Coil-with-Horn-Electrodes.jpg)
![High Voltage Coil with Horn Electrodes, 1000991 [U8497460], Demountable Transformer D](/imagelibrary/U8497460/U8497460_02_High-Voltage-Coil-with-Horn-Electrodes.jpg)
![High Voltage Coil with Horn Electrodes, 1000991 [U8497460], Demountable Transformer D](/thumblibrary/U8497460/U8497460_01_1200_1200_High-Voltage-Coil-with-Horn-Electrodes.jpg)
![High Voltage Coil with Horn Electrodes, 1000991 [U8497460], Demountable Transformer D (Small)](/thumblibrary/U8497460/U8497460_02_1200_1200_High-Voltage-Coil-with-Horn-Electrodes.jpg)
![Mains Coil with Connecting Lead (115 V, 50/60 Hz), 1000986 [U8497420-115], Demountable Transformer D](/thumblibrary/U8497420-115/U8497420-115_01_140_140_Mains-Coil-with-Connecting-Lead-115-V-5060-Hz.jpg)
![Mains Coil with Connecting Lead (230 V, 50/60 Hz), 1000987 [U8497420-230], Demountable Transformer D](/thumblibrary/U8497420-230/U8497420-230_01_140_140_Mains-Coil-with-Connecting-Lead-230-V-5060-Hz.jpg)
![U-core D, 1000976 [U8497180], Demountable Transformer D](/thumblibrary/U8497180/U8497180_01_140_140_U-core-D.jpg)
![Metal Ring for Thomson Coil, 1000992 [U8497470], Demountable Transformer D](/thumblibrary/U8497470/U8497470_01_140_140_Metal-Ring-for-Thomson-Coil.jpg)
![High Current Coil, 1000984 [U8497406], Demountable Transformer D](/thumblibrary/U8497406/U8497406_01_140_140_High-Current-Coil.jpg)
![Fusion Ring, 1000980 [U8497310], Demountable Transformer D](/thumblibrary/U8497310/U8497310_01_140_140_Fusion-Ring.jpg)
![High Current Coil with Five Turns, 1000981 [U8497320], Demountable Transformer D](/thumblibrary/U8497320/U8497320_01_140_140_High-Current-Coil-with-Five-Turns.jpg)
![Set of 20 Nails for Nail Fusing Experiment, 1000983 [U8497331], Demountable Transformer D](/thumblibrary/U8497331/U8497331_01_140_140_Set-of-20-Nails-for-Nail-Fusing-Experiment.jpg)
![Low Voltage Coil, 1000985 [U8497410], Demountable Transformer D](/thumblibrary/U8497410/U8497410_01_140_140_Low-Voltage-Coil.jpg)
![Coil D with 600 Turns, 1000988 [U8497430], Demountable Transformer D](/thumblibrary/U8497430/U8497430_01_140_140_Coil-D-with-600-Turns.jpg)
![Coil D with 1200 Turns, 1000989 [U8497440], Demountable Transformer D](/thumblibrary/U8497440/U8497440_01_140_140_Coil-D-with-1200-Turns.jpg)
![Coil D with 6000 Taps, 1000990 [U8497450], Demountable Transformer D](/thumblibrary/U8497450/U8497450_01_140_140_Coil-D-with-6000-Taps.jpg)
![Set of 5 Metal Strips, 1000982 [U8497330], Demountable Transformer D](/thumblibrary/U8497330/U8497330_01_140_140_Set-of-5-Metal-Strips.jpg)
![Precision Dynamometer 1 N, 1003104 [U20032], Dynamometers](/thumblibrary/U20032/U20032_01_140_140_Precision-Dynamometer-1-N.jpg)
![Precision Dynamometer 2 N, 1003105 [U20033], Dynamometers](/thumblibrary/U20033/U20033_01_140_140_Precision-Dynamometer-2-N.jpg)
![Set of 15 Safety Experiment Leads, 75 cm, 2.5 mm², 1002843 [U138021], Circuits](/thumblibrary/U138021/U138021_01_140_140_Set-of-15-Safety-Experiment-Leads-75-cm-25-mm.jpg)
![Crookes Radiometer, 1002882 [U14300], Heat Flow and Radiation of Heat](/thumblibrary/U14300/U14300_01_140_140_Crookes-Radiometer.jpg)
![Tube Holder D -
for the experimental setup of tubes of series D, 1008507 [U191001], Electron Tubes D](/thumblibrary/U191001/U191001_01_140_140_Tube-Holder-D-for-the-experimental-setup-of-tubes-of-series-D.jpg)
![High Voltage Power Supply 5 kV (230 V, 50/60 Hz), 1003310 [U33010-230], Power Supplies](/thumblibrary/U33010-230/U33010-230_01_140_140_High-Voltage-Power-Supply-5-kV-230-V-5060-Hz.jpg)
![Coil S with 600 Turns, 1001000 [U8498070], Demountable Transformer S](/thumblibrary/U8498070/U8498070_01_140_140_Coil-S-with-600-Turns.jpg)
![Digital Counter (230 V, 50/60 Hz), 1001033 [U8533341-230], Digital Counters](/thumblibrary/U8533341-230/U8533341-230_01_140_140_Digital-Counter-230-V-5060-Hz.jpg)