Transit Instrument
name: label: maker
content: Queen and Company
notes: label: Description
content: Queen introduced transit instruments of this form in the late 1880s, and kept them in production for about a decade. The "Queen & Co. Makers. Philada 5420" inscription on this example was introduced in 1896.
label: Description
content: The horizontal circle is graduated clockwise and counterclockwise, and read by opposite verniers to one minute. The vertical arc covers 150 degrees, and is read by vernier to one minute. The telescope has stadia wires for distance determination, and a clamp and tangent screw to the axis.
label: Description
content: Ref: James W. Queen & Co., <i>Catalogue of Mathematical and Engineering Instruments and Materials</i> (Philadelphia, 1887), pp. 143-144.
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: Surveying and Geodesy
label: See more items in
content: Measuring & Mapping
publisher: label: Related Publication
content: Queen & Co., Inc.. Catalogue of Mathematical and Engineering Instruments and Materials
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1981.0941.02
label: accession number
content: 1981.0941
label: catalog number
content: 1981.0941.02
objectType: label: Object Name
content: transit
physicalDescription: label: Measurements
content: overall: 13 in; 33.02 cm
label: Measurements
content: horizontal circle: 6 1/2 in; 16.51 cm
label: Measurements
content: vertical arc: 6 in; 15.24 cm
label: Measurements
content: needle: 4 7/8 in; 12.3825 cm
label: Measurements
content: telescope: 11 in; 27.94 cm
label: Measurements
content: hanging level: 6 in; 15.24 cm
label: Measurements
content: overall: 16 1/4 in x 15 1/8 in x 9 in; 41.275 cm x 38.4175 cm x 22.86 cm