{"product_id":"antique-barograph-qty-3","title":"Antique barograph Qty 1","description":"\u003cp data-start=\"247\" data-end=\"355\"\u003eA Negretti \u0026amp; Zamba recording thermograph (sometimes combined thermograph-hygrograph). that records temperature over time and often humidity also (dual pens = dual recording)\u003c\/p\u003e\n\u003cp data-start=\"449\" data-end=\"583\"\u003eThe rotating drum holds graph paper and is driven by clockwork — just like the barographs — but instead of pressure capsules, it uses a bimetal strip (temperature) and a hair bundle or sensor (humidity).\u003c\/p\u003e\n\u003cp data-start=\"449\" data-end=\"583\"\u003e\u003cmeta charset=\"utf-8\"\u003eThis is a portable scientific or laboratory meteorological recorder, not a decorative home instrument. 1940s-1960s.\u003c\/p\u003e\n\u003cul data-start=\"584\" data-end=\"661\"\u003e\u003c\/ul\u003e\n\u003cp class=\"p1\"\u003eW31 x D12 x H24 cm.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eReplacement value £400\u003c\/p\u003e","brand":"Negretti \u0026amp; Zamba","offers":[{"title":"Default Title","offer_id":53095522074963,"sku":"ANT-695","price":40.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/8674\/0307\/files\/Industrial_powerhouse_props_prop_rental_hire_vintage_movie_film_set_dec_meter_antique_barograph_moisture_6.jpg?v=1771858529","url":"https:\/\/powerhouseprops.co.uk\/products\/antique-barograph-qty-3","provider":"Powerhouse Props","version":"1.0","type":"link"}