{"product_id":"eisco-wilberforce-pendulum-science-demonstration-kit-for-adults-with-scientific-interest","title":"EISCO Wilberforce Pendulum - Science Demonstration Kit for Adults with Scientific Interest","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOriginally developed in 1896 by an English physicist this fascinating device is a great example of a coupled mechanical oscillator\u003c\/li\u003e\n\u003cli\u003eKit Contains: (1) Adjustable Wilberforce Pendulum Mass, (1) Helical Spring, (1) Mounting Rod connected to a boss head clamp\u003c\/li\u003e\n\u003cli\u003eThe pendulum is made of high quality steel.\u003c\/li\u003e\n\u003cli\u003eThe radial arms have threaded adjustable weight so that the moment of inertia can be tuned to the torsional vibration period\u003c\/li\u003e\n\u003cli\u003eThe device needs to be mounted at least 1 meter from any surface, we recommend using the Eisco CH0652DKIT with this device. CH0652DKIT stand is NOT included in this listing.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EISCO","offers":[{"title":"Default Title","offer_id":52547194880220,"sku":"B013GKGHZM","price":22.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/0913\/3020\/files\/31RqVmiURML.jpg?v=1789927972","url":"https:\/\/stemora.us\/products\/eisco-wilberforce-pendulum-science-demonstration-kit-for-adults-with-scientific-interest","provider":"Stemora","version":"1.0","type":"link"}