Smithsonian museums continue to be closed to support the effort to contain the spread of COVID-19. Read a message from our director, and check our website and social media for updates.

Prism Binoculars

Prism Binoculars

<< >>
Usage conditions apply
Downloads
Description
This is an aluminum instrument with black finish. The barrels are covered with black leather. The objective lenses are 30 mm diameter. The eye end of the left prism housing is marked “MILITARY STEREO / 6 X 30” and “5409-1942.” That on the right is marked “BAUSCH & LOMB OPTICAL CO. / ROCHESTER, N.Y. U.S.A.” and “DALE BROWN.” Each eyepiece can be focused, and each has a diopter scale. The case is brown leather. A tag in the accession file indicates that this instrument was in the U.S. Naval Observatory repair shop in 1944.
Location
Currently not on view
Object Name
binoculars
date made
ca 1940
maker
Bausch & Lomb
place made
United States: New York, Rochester
Measurements
closed: 2 7/16 in x 6 1/2 in x 4 3/32 in; 6.1976 cm x 16.51 cm x 10.3886 cm
overall in case: 5 3/16 in x 7 in x 3 3/16 in; 13.17625 cm x 17.78 cm x 8.09625 cm
ID Number
1980.0879.01
catalog number
1980.0879.01
accession number
1980.0879
Credit Line
Sally Ann Brown, in memory of Capt. Dale Brown
subject
World War II
See more items in
Medicine and Science: Physical Sciences
Science & Mathematics
Optics
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.