Telescope
date: label: date made
content: 19th century
notes: label: Description
content: This was made by Robert Stanton Avery, Jr., a mathematician who spent a long career computing tide tables for the U.S. Coast Survey, and who gave the Smithsonian Institution a substantial sum of money to be used for the “extension of the sciences.”
label: Description
content: We know that Avery made several telescopes in the early 1850s, while working on the family farm in Connecticut. This example has a brass barrel 24½ inches long that measures 4¾ inches diameter at the large end and 1½ inches at the small end. The lenses are lacking.
label: Description
content: Ref: “Robert Stanton Avery, Jr.,” in <i>Bulletin of the Philosophical Society of Washington</i> 12 (1895): 435-442.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Science & Mathematics
creditLine: label: Credit Line
content: Robert Stanton Avery
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.311769
label: catalog number
content: 311769
label: accession number
content: 152769
objectType: label: Object Name
content: telescope
physicalDescription: label: Measurements
content: overall: 24 1/4 in x 5 in; 61.595 cm x 12.7 cm