A better form of electromagnetic ammeter, that pivots in the strong field of a permanent magnet a small coil through which a part of the current to be Stock Vectorhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-better-form-of-electromagnetic-ammeter-that-pivots-in-the-strong-field-of-a-permanent-magnet-a-small-coil-through-which-a-part-of-the-current-to-be-image367216659.html
RF2C9C4GK–A better form of electromagnetic ammeter, that pivots in the strong field of a permanent magnet a small coil through which a part of the current to be
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