Terrasphere
notes: label: Description
content: Patent model for Eleazer Root, “Terrasphere,” U.S. Patent 60,642 (Dec. 18, 1866). Eleazer Root (1802-1887), an educator and Episcopalian priest who spent many years in the Midwest, designed two astronomical demonstration instruments. See also Eleazer Root, “Improvement in Terrasphere,” U.S. Patent 69,842 (Oct. 15, 1867).
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.309346
label: catalog number
content: 309346
label: accession number
content: 89797
label: patent number
content: 60,642
objectType: label: Object Name
content: terrasphere
label: Object Type
content: Patent Model
physicalDescription: label: Measurements
content: overall: 15 3/8 in x 10 in x 9 3/4 in; 39.0525 cm x 25.4 cm x 24.765 cm