Analog Panel Meter, New Big Look (Taut Band), DC Current, 0mA to  500mA, 250 Series: Amazon.com: Industrial & Scientific
100 NOS Triplett uA 0-50 DC microamperes Taut Band analog panel Meter Movements | eBay
Hoyt Meter Made in USA
DIRECT CURRENT METERS THE D'ARSONVAL METER MOVEMENT - ppt video online download
How does a 240 degree 'long scale' moving coil meter movement work? I understand the principles of MC meter movement but cannot see how a 240 degree deflection of a pointer is
Frictionless taut-band meters for high shock environments – Learn with Rishabh