Semicircumferentor
notes: label: Description
content: An instrument with graduated rim, magnetic compass, and sighting mechanism was known variously as a graphometer, semicircle, or semicircumferentor. This example has a telescope rather than open sights. The inscriptions read "Bernardinus Pavolini Fecit” and “Antonius Manghetti Incidit."
label: Description
content: Ref: Philippe Danfrie, <i>Déclaration de l’usage du graphomètre</i> (Paris, 1597).
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.327690
label: catalog number
content: 327690
label: accession number
content: 268221
objectType: label: Object Name
content: semicircumferentor
physicalDescription: label: Measurements
content: overall: 13 in x 7 1/2 in x 16 1/2 in; 33.02 cm x 19.05 cm x 41.91 cm
label: Measurements
content: overall; base: 12 1/2 in x 10 in x 8 in; 31.75 cm x 25.4 cm x 20.32 cm
label: Measurements
content: overall; semicirumferentor: 13 3/4 in x 16 3/4 in x 7 5/8 in; 34.925 cm x 42.545 cm x 19.3675 cm