FIELD: demonstrating and displaying apparatus. SUBSTANCE: device has a ferromagnetic core, a magnetic field indicator, first wire sections, a second wire, switching circuits, keys, an incandescence lamp, galvanometer, a diode. EFFECT: enhanced quality of demonstrating. 14 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
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| STRAP ELECTROMAGNETIC CONVERTER | 0 |
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SU905622A1 |
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RU2105208C1 |
