As a public health precaution due to COVID-19, all Smithsonian museums and the National Zoo are temporarily closed. We are not announcing a reopening date at this time and will provide updates on our website and social media.



<< >>
Usage conditions apply
Mary W. Whitney studied with Maria Mitchell at Vassar and, in 1887, succeeded her as professor of astronomy. Her major research project involved tracing the light curves of variable stars. Some of this work was done with this unmarked wedge photometer acquired in 1903.
Ref: Mary W. Whitney and Carline E. Furness, “Observations of Variable Stars Made During the Years 1901-12,” Publications of the Vassar College Observatory 3 (1913).
Caroline E. Furness, An Introduction to the Study of Variable Stars (Boston, 1915), pp. 127-128.
“Reports of Observatories,” Publications of the Astronomical Society of the Pacific 16 (1904): 104-116, on 116.
Currently not on view
Object Name
overall: 1 7/8 in x 5 3/8 in x 7 7/8 in; 4.7625 cm x 13.6525 cm x 20.0025 cm
overall: 1 11/16 in x 5 3/8 in x 7 5/8 in; 4.28625 cm x 13.6525 cm x 19.3675 cm
ID Number
catalog number
accession number
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
Nominate this object for photography.   

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.

Note: Comment submission on our collection pages is temporarily unavailable. Please check back soon!

If you have a question or require a personal response, please visit our FAQ or contact page.