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DC ratio meter calibration

DC ratio meter calibration

C004/2837

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Credit

ANDREW BROOKES, NATIONAL PHYSICAL LABORATORY / SCIENCE PHOTO LIBRARY ANDREW BROOKES, NATIONAL PHYSICAL LABORATORY / SCIENCE PHOTO LIBRARY

Caption

DC ratio meter calibration. Scientist using precision digital voltmeters to calibrate a DC ratio meter against a reference resistance. Photographed at the National Physical Laboratory, Teddington, UK.

Release details

Model release not available. Property release not required.

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