Reflection galvanometer

Title

Reflection galvanometer

Subject

Electrical apparatus
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 1920-1925 although could be earlier. Used with the selenium cell photometer to measure current and with the photoelectric cell photometer.

Creator

Weston Electrical Instruments Company, New, New Jersey

Publisher

Astronomy Department, University of Illinois, Urbana, Illinois

Date

circa 1925

Contributor

Michael Svec

Rights

Copyright Michael Svec

Format

image/jpg

Language

English

Type

physical object

Identifier

University of Illinois Observatory Collection A193
obs52

Coverage

University of Illinois Observatory, Urbana, Illinois

Files

DSCN0183.JPG
DSCN0184.JPG
DSCN0187.JPG

Collection

Citation

Weston Electrical Instruments Company, New, New Jersey, “Reflection galvanometer,” University of Illinois Observatory Collection, accessed November 19, 2017, http://uiobservatory.omeka.net/items/show/20.