Ballistic Galvanometer: For measurement of small quantities of electrical charge. Reflecting mirror type open model.The moving coil is suspended by a phosphorus bronze strip, which carries an optically true concave mirror. The coil can be raised or lowered or set to zero by adjusting knurled knob at the top. A knob at the back is provided for clamping and releasing the coil. A high link resistance is provided to make the Galvanometer periodic, if desired Levelling screws are provided for balancing the coil.
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