{"product_id":"van-de-graaff-generator-hand-driven","title":"Van De Graaff Generator Hand-Driven","description":"\u003cp\u003eThe discharge sphere is supported on a pivoted arm with a handle and is attached to the top of the driving-wheel pillar.\u003cbr\u003eFor connecting accessories, a 4mm socket is provided at the top of the large sphere, and a 4mm earth socket is drilled in the handwheel pillar base.\u003cbr\u003eSparks in excess of 50mm in length are easily obtained at a slow rate of turning (200 rev\/min) and the apparatus is tolerant of moisture and dust.•\u003cbr\u003eDiameter of dome: 200mm.\u003cbr\u003eDiameter of discharge sphere: 100mm.\u003cbr\u003eOverall dimensions: 350 x 190 x 480mm.\u003cbr\u003eSupplied complete with instructions but WITHOUT accessories.\u003c\/p\u003e","brand":"Philip Harris","offers":[{"title":"Default Title","offer_id":51272732344603,"sku":"HC1008324","price":202.29,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/4363\/4203\/files\/HC1008324.jpg?v=1769447652","url":"https:\/\/abcschoolsupplies.co.uk\/products\/van-de-graaff-generator-hand-driven","provider":"ABC School Supplies ","version":"1.0","type":"link"}