The Vintage Sensitive Research M-42871 D.C. Millivoltmeter from 1967 is a rare gem of a tool for measuring extremely low voltages. This millivoltmeter, made in the United States by Sensitive Research, is designed for universal current type and offers precise measurements with its last calibration date providing additional accuracy and authenticity. Ideal for vintage electronics enthusiasts or professionals seeking a reliable and well-maintained piece of equipment, this D.C. millivoltmeter is a valuable addition to any collection or workspace.

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