Reflection galvanometer
Title
Reflection galvanometer
Subject
Electrical apparatus
Measuring instrument
Measuring instrument
Description
Model no. 89, no. 18. Box is 8 ¼ x 8 ½ x 12 inches and screwed closed. Unknown date but estimated around 1908. Used with the selenium cell photometer to measure current and with the photoelectric cell photometer. Visible in pictures of transit room. An unpublished photograph in the Jakob Kunz papers, University Archives, from the 1918 eclipse expedition shows this galvanometer sitting on a shelf in the background. A published picture from 1910 and another unpublished photo from 1912 show the same galvanometer.
Creator
Weston Electrical Instruments Company, New, New Jersey
Publisher
Astronomy Department, University of Illinois, Urbana, Illinois
Date
circa 1908
Contributor
Michael Svec
Rights
Copyright Michael Svec
Relation
Harvard Collection: http://waywiser.fas.harvard.edu/objects/2183/reflecting-galvanometer-with-moving-coil
Format
image/jpg
Language
English
Type
physical object
Identifier
University of Illinois Observatory Collection A193
obs52
obs52
Coverage
University of Illinois Observatory, Urbana, Illinois
Files
Collection
Citation
Weston Electrical Instruments Company, New, New Jersey, “Reflection galvanometer,” University of Illinois Observatory Collection, accessed March 28, 2024, https://uiobservatory.omeka.net/items/show/20.