{"product_id":"van-de-graff-generator-hand-driven","title":"Van-De-Graff Generator, Hand Driven","description":"A simple hand driven van de Graaff generator for producing very high electric potentials at low currents. The apparatus consist of a wooden base, insulated Perspex stand, rubber belt, removable metal dome (135 mm dia), a driving wheel and driving belt. The discharge sphere (50 mm dia) is mounted on a pivoted arm, with handle for adjustment. The length of spark is around 30mm. Includes standard accessories.","brand":"Supertek Science","offers":[{"title":"Default Title","offer_id":49975049945365,"sku":"SPSPH45080","price":196.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/PH45080.jpg?v=1781497012","url":"https:\/\/unitedsupplycorp.com\/products\/van-de-graff-generator-hand-driven","provider":"United Supply Corp.","version":"1.0","type":"link"}