Image / Mirror galvanometer

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Title: Mirror galvanometer
Creator: Hartmann & Braun (Firm)
Date Created and/or Issued: 1920-1930
Contributing Institution: History San Jose Research Library
Collection: History San Jose Online Catalog
Rights Information: Please contact the contributing institution for more information regarding the copyright status of this object.
Description: Measures small electrical currents using a light beam reflected from a mirror on the ribbon and focused on a scale at a distance.
Type: Image
Identifier: 256EA4A5-ECE0-4DDD-96EF-446006456283
2003-1-617
Subject: Electrical apparatus
Testing--Equipment and supplies (LCSH)
Nineteen twenties (LCSH)
Electricity (LCSH)

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