{"product_id":"ph0138c","title":"Jolly Bulb with Gauge","description":"60 mm dia. Bulb connected to a bourdon guage. Gauge is calibrated in kg\/cm2 and in psi.\u003cbr\u003e\u003cbr\u003eJolly bulb is 60mm diameter and is directly connected to a bourdon gauge. Use for investigation of gas at constant volume By inserting the glass bulb into either warm or cold water the expansion and contraction to the air contained in the bulb can be seen as a pressure change on the gauge. Gauge is calibrated in kg\/cm2 and in psi.","brand":"Eisco Labs","offers":[{"title":"Default Title","offer_id":1298790648,"sku":"PH0138C","price":113.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/0623\/products\/PH0138C.jpeg?v=1748555513","url":"https:\/\/www.thelabstockroom.com\/products\/ph0138c","provider":"The Lab Stockroom","version":"1.0","type":"link"}