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Press Photo Research Worker & Directional Microphone For Electrical Discharges

Description
A research worker in the high-voltage department uses a directional microphone to locate electrical discharges from a circuit.

Photo measures 8.5 x 6.5 inches.

Photo is dated --none.

This item is an original collectible vintage print from a news archive, not a digital download or reproduction. Please see our FAQ for more information.

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