Butterfield's Sector

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a French-style sector; "an early precursor of the slide rule, [the sector] was invented by Galileo as an aid to calculation"; further, this sector has scales labeled in French and Medieval alchemist signs for "the metals gold through tin on a scale of relative weights for a given volume of each metal"; it also "has had a spirit level and graduated arc added to allow measurement of the angle of slopes, etc., as in surveying or gunnery." (all quotes and paraphrasing from Pilcher - see remarks)<br \/><\/p>" ] } }, { "label": { "en": [ "navDate" ] }, "value": { "en": [ "October 22nd at 2:20pm" ] } }, { "label": { "en": [ "license" ] }, "value": { "en": [ "http:\/\/rightsstatements.org\/vocab\/InC-EDU\/1.0\/" ] } } ], "within": "https://arches.union.edu/PermanentCollection", "partOf": [ { "id": "https://arches.union.edu/PermanentCollection/metadata/iiifmanifest3collection/default.jsonld", "type": "Manifest" } ], "items": [ { "id": "https://arches.union.edu/do/60a8b2fc-ac08-40ad-b16d-5d319aec20fb/iiif/canvas/p1", "type": "Canvas", "label": { "en": [ "Butterfield's Sector"]}, "thumbnail": [ { "id": "https://arches.union.edu/cantaloupe/iiif/2/4b9%2Fimage-04334-main-butterfieldssector-2017-11-34a938ae-28d6-46bb-9bc3-4bc0b4304a1e.jpg/full/240,/0/default.jpg", "type": "Image", "format": "image/jpeg", "width": 240, "height": 160 } ], "height": 3648, "width": 5472, "items": [ { "id": "https://arches.union.edu/do/60a8b2fc-ac08-40ad-b16d-5d319aec20fb/iiif/page/p1", "type": "AnnotationPage", "items": [ { "id": "https://arches.union.edu/do/60a8b2fc-ac08-40ad-b16d-5d319aec20fb/iiif/annotation/p1", "type": "Annotation", "motivation": "painting", "thumbnail": [ { "id": "https://arches.union.edu/cantaloupe/iiif/2/4b9%2Fimage-04334-main-butterfieldssector-2017-11-34a938ae-28d6-46bb-9bc3-4bc0b4304a1e.jpg/full/240,/0/default.jpg", "type": "Image", "format": "image/jpeg", "width": 240, "height": 160 } ], "body": { "id": "https://arches.union.edu/cantaloupe/iiif/2/4b9%2Fimage-04334-main-butterfieldssector-2017-11-34a938ae-28d6-46bb-9bc3-4bc0b4304a1e.jpg/full/full/0/default.jpg", "type": "Image", "format": "image/jpeg", "service": [ { "id": "https://arches.union.edu/cantaloupe/iiif/2/4b9%2Fimage-04334-main-butterfieldssector-2017-11-34a938ae-28d6-46bb-9bc3-4bc0b4304a1e.jpg", "type": "ImageService2", "profile": "level2" } ], "height": 3648, "width": 5472 }, "target": "https://arches.union.edu/do/60a8b2fc-ac08-40ad-b16d-5d319aec20fb/iiif/canvas/p1" } ] } ] } ], "structures": [ { "id": "https://arches.union.edu/do/60a8b2fc-ac08-40ad-b16d-5d319aec20fb/iiif/range/r1", "type": "Range", "label": { "en": [ "Butterfield's Sector" ] }, "items": [ { "id": "https://arches.union.edu/do/60a8b2fc-ac08-40ad-b16d-5d319aec20fb/iiif/canvas/p1", "type": "Canvas" } ] } ] }