{"meta":{"version":"2.1","_links":{"self":{"href":"https://api.vam.ac.uk/v2/object/O1796298"},"collection_page":{"href":"https://collections.vam.ac.uk/item/O1796298/"}},"images":{"_primary_thumbnail":"https://framemark.vam.ac.uk/collections/2026PM5663/full/!100,100/0/default.jpg","_iiif_image":"https://framemark.vam.ac.uk/collections/2026PM5663/","_alt_iiif_image":[],"imageResolution":"low","_images_meta":[{"assetRef":"2026PM5663","copyright":"© Victoria and Albert Museum, London","sensitiveImage":false}]},"see_also":null},"record":{"systemNumber":"O1796298","accessionNumber":"RPS.476:19-2025","objectType":"Photograph","titles":[{"title":"Diagrams of Light 21 to 27 February","type":"generic title"}],"summaryDescription":"","physicalDescription":"Seven mounted sepia-toned photographs depicting  'light diagrams' of daylight intensity taken throughout the day by Hurter's actinometer on 21, 22, 23, 24, 25, 26 and 27 February 1886.","artistMakerPerson":[],"artistMakerOrganisations":[{"name":{"text":"Hurter and Driffield","id":"AUTH348928"},"association":{"text":"photographers","id":"AAT25687"},"note":""}],"artistMakerPeople":[],"materials":[{"text":"photographic paper","id":"AAT14190"}],"techniques":[{"text":"photography","id":"AAT54225"},{"text":"bromide process","id":"x32893"}],"materialsAndTechniques":"bromide print","categories":[{"text":"The Royal Photographic Society","id":"THES281081"},{"text":"Photographs","id":"THES48910"},{"text":"science","id":"THES48898"}],"styles":[],"collectionCode":{"text":"DOP","id":"THES291628"},"images":["2026PM5663"],"imageResolution":"low","galleryLocations":[{"current":{"text":"LVLF","id":"THES49656"},"free":"","case":"MB005","shelf":"BY005","box":"XRP 300"}],"partTypes":[[{"text":"photograph","id":"AAT46300"}],[{"text":"bromide print","id":"THES390364"}],[{"text":"pages","id":"AAT194222"}]],"contentWarnings":[{"apprise":"","note":""}],"placesOfOrigin":[],"productionDates":[{"date":{"text":"October 1885 to April 1886","earliest":"1885-10-01","latest":"1886-04-30"},"association":{"text":"photographed","id":"x30151"},"note":""}],"associatedObjects":[],"creditLine":"The Royal Photographic Society Collection at the V&A, acquired with the generous assistance of the National Lottery Heritage Fund and Art Fund","dimensions":[{"dimension":"Height","value":"36.8","unit":"cm","qualifier":"","date":{"text":"","earliest":null,"latest":null},"part":"card","note":""},{"dimension":"Width","value":"26.5","unit":"cm","qualifier":"","date":{"text":"","earliest":null,"latest":null},"part":"card","note":""}],"dimensionsNote":"","marksAndInscriptions":[{"content":"Feb'/'February.'/'21.'/'21'/'22.'/'22'/'23.'/'23'/'24.'/'24'/illegible/'25.'/'25'/'26.'/'26'/'27.'/'27'","inscriber":{"name":{"text":"","id":""},"association":{"text":"","id":""}},"date":{"text":"","earliest":null,"latest":null},"description":"","interpretation":"","language":"","medium":"","method":"","position":"","script":"","translation":"","transliteration":"","type":"","note":"ink, pencil, recto, mount"}],"objectHistory":"These photographs are assembled in a box along with other photographs and various ephemera relating to Hurter & Driffield's actinometer and actinomgraph experiments. 20 loose card pages in an album titled 'Dr. Hurter Actinograph Actinometer Records Oct. 1885 15 April 1886'","historicalContext":"","briefDescription":"Photographs by Hurter and Driffield 'Diagrams of Light 21 to 27 February', bromide prints on card, October 1885 to April 1886","bibliographicReferences":[],"production":"","productionType":{"text":"","id":""},"contentDescription":"","contentPlaces":[],"associatedPlaces":[],"contentPerson":[],"associatedPerson":[],"contentOrganisations":[],"associatedOrganisations":[],"contentPeople":[],"associatedPeople":[],"contentEvents":[],"associatedEvents":[],"contentOthers":[{"text":"diagrams","id":"AAT15387"},{"text":"experiments","id":"THES393264"}],"contentConcepts":[],"contentLiteraryRefs":[],"galleryLabels":[],"partNumbers":["RPS.476:19-2025"],"accessionNumberNum":"476","accessionNumberPrefix":"RPS","accessionYear":2025,"otherNumbers":[],"copyNumber":"","aspects":["WHOLE"],"assets":[],"recordModificationDate":"2026-04-01","recordCreationDate":"2025-02-10","availableToBook":false}}