{"product_id":"deli-prism-spectacles-optical-prism-glasses-scientific-vision-aid-cased","title":"Deli Prism Spectacles Optical Prism Glasses Scientific Vision Aid Cased","description":"Brand: Deli (appears marked)\nType: Prism spectacles \/ optical viewing glasses\nEra: Mid-20th Century (approximate)\nMaterial: Metal frame with prism lenses\nColour: Silver-tone frame\nIncludes: Original fitted box and additional prism attachments\nUse: Optical assistance, scientific or technical viewing application\nCondition: Used vintage condition with noticeable oxidation and wear\n\nA vintage pair of Deli prism spectacles supplied with original fitted case and additional prism viewing attachments.\n\nThese specialist optical glasses feature rectangular prism elements mounted within a lightweight metal frame. Such items were used in optical, scientific, medical or technical applications where image displacement or altered viewing angles were required.\n\nThe lot includes the spectacles, two larger prism attachments and the original storage box.\n\nCondition\nVintage used condition.\nVisible oxidation\/corrosion to prism housings.\nSurface wear and age-related marks throughout.\nOriginal box shows wear, staining and ageing.\nUntested.\nPlease study all photographs carefully as they form part of the description.","brand":"Deli","offers":[{"title":"Default Title","offer_id":57326671855994,"sku":"049615-1","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/9249\/6158\/files\/20260930_2F9a399f04-fec5-4bc5-95c6-f8d4bce2da29Deli_20Prism_20Spectacles_20Optical_20Prism_20Glasses_20Scientific_20Vision_20Aid_20Cased_png.jpg?v=1790759108","url":"https:\/\/shop.longfield.org.uk\/products\/deli-prism-spectacles-optical-prism-glasses-scientific-vision-aid-cased","provider":"Longfield Community Hospice","version":"1.0","type":"link"}