Binocular Telescope

Description:

This is a brass instrument with center focus, and center adjustment for inter-ocular distance. The objective lenses are 40 mm diameter. The length is 29 cm (closed). Each eye tube is marked “LEVY, DREYFUS & CO / NEW YORK.” These came to the Smithsonian in 1907. A note in the file reads: “Prussian Army Field Glass used in 1885 by the [U.S.] Geological Survey but now discarded because of the small field of view.

Levy, Dreyfus & Co. was in business in New York City in the 1890s, advertising as opticians and wholesale importers.

Date Made: ca 1880

Location: Currently not on view

See more items in: Medicine and Science: Physical Sciences, Science & Mathematics, Optics

Exhibition:

Exhibition Location:

Credit Line: U.S. Geological Survey

Data Source: National Museum of American History

Id Number: PH.247931Catalog Number: 247931Accession Number: 47736

Object Name: Field Glasses

Measurements: overall: 2 3/8 in x 11 1/2 in x 4 13/16 in; 6.0325 cm x 29.21 cm x 12.22375 cm

Guid: http://n2t.net/ark:/65665/ng49ca746b2-5216-704b-e053-15f76fa0b4fa

Record Id: nmah_1167681

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