Position Micrometer
date: label: date made
content: 1902
name: label: maker
content: Saegmuller, George Nicholas
notes: label: Description
content: This position micrometer was made for the 9-inch Pistor & Martins transit circle of the U.S. Naval Observatory in Washington, D.C. The “Geo. N. Saegmuller / Washn DC 1902” inscription refers to George N. Saegmuller, a German-American instrument maker who, in partnership with others, formed Fauth & Co. in 1874, and who began trading under his own name in 1902.
label: Description
content: Ref: W. S. Eichelberger, “Results of Observations with the Nine-Inch Transit Transit Circle, 1903-1911,” in </i>Publications of the United States Naval Observatory</i> Second Series, vol. 9, part 1, pp. A XI-XII.
label: Location
content: Currently not on view
place: label: place made
content: United States: District of Columbia, Washington
topic: label: Subject
content: Science & Scientific Instruments
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: U.S. Naval Observatory
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 2005.0172.10
label: accession number
content: 2005.0172
label: catalog number
content: 2005.0172.10
objectType: label: Object Name
content: position micrometer
physicalDescription: label: Measurements
content: overall: 16 3/4 in x 13 1/2 in x 13 1/2 in; 42.545 cm x 34.29 cm x 34.29 cm
label: Measurements
content: overall: p7131: 30 in x 48 in x 48 in; 76.2 cm x 121.92 cm x 121.92 cm
label: Measurements
content: overall: 16 5/8 in x 13 5/8 in x 13 5/8 in; 42.2275 cm x 34.6075 cm x 34.6075 cm