Telescope

Telescope

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Description
This spyglass has an achromatic objective, a four-element erecting eye piece, and wood body with three brass draw tubles. The "Utzschneider, Reichenbach und Fraunhofer in Benedictbeurn" inscription refers to a firm in Bavaria that was in business, as such, between 1809 and 1814.
Location
Currently not on view
Object Name
telescope
telescope (spyglass)
date made
1809-1814
maker
Utzschneider, Reichenbach und Fraunhofer
place made
Germany: Bavaria, Benediktbeuern
Measurements
overall: 8 7/8 in x 1 1/2 in; 22.5425 cm x 3.81 cm
overall in case: 9 1/2 in x 2 in; 24.13 cm x 5.08 cm
ID Number
PH.333741
catalog number
333741
accession number
304694
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Data Source
National Museum of American History
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Comments

Do the tube threads used to connect the telescope sections conform to standard metric sizes (such as m29.5x.75) or are they machined to a different standard?

Conrad Smith

Thu, 2017-12-07 11:37

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