For measurement of small quantities of electrical
charge.
Reflecting mirror type open model. The moving coil is suspended by a phosphorous bronze strip, which carries
automatically
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 coils. A top high resistance is provided to make
the galvanometer periodic,
if desired. Levelling screws are provided for balancing the coil.
