Objects
Objects
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- Classification / Category: Galvanometer
- Artist / Maker / Culture: Harvard College Observatory
- Artist / Maker / Culture: Heinrich Daniel Ruhmkorff
- Artist / Maker / Culture: George R. Agassiz Station, Harvard
- Artist / Maker / Culture: Hartmann & Braun AG
- Artist / Maker / Culture: J. &. A. Duboscq
- Artist / Maker / Culture: L. E. Knott Apparatus Company
- Artist / Maker / Culture: Robert V. Pound
- Artist / Maker / Culture: Carmelo Lanza
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