{"product_id":"compound-bar-1","title":"Compound Bar","description":"Two metals of different heat coefficients, brass \u0026amp; iron are laminated together and mounted in a wooden handle. This device demonstrates the unequal expansion of different metals by bending when heated. 200 x 25 mm.","brand":"Supertek Science","offers":[{"title":"Default Title","offer_id":49978155008277,"sku":"SPSPH20060","price":14.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0857\/4897\/3845\/files\/PH20060-1.jpg?v=1781570894","url":"https:\/\/unitedsupplycorp.com\/products\/compound-bar-1","provider":"United Supply Corp.","version":"1.0","type":"link"}