{"product_id":"antique-barograph-qty-1","title":"Antique barograph Qty 1","description":"\u003cp class=\"p1\"\u003eThis is an old Negretti \u0026amp; Zamba (British) birdcage barograph that is housed within a metal and glass casing. Typically used in observatory, ship, port authority, industry, aviation and laboratory settings. This is not a desk model and it is rarer.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eA barograph uses an aneroid barometer mechanism to move a pen over a rotating paper  covered drum creating a graph (barogram) of air pressure changes. A valuable tool for weather forecasting and analysis showing pressure trends. 1920s-1940s.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eW44 x D19 x H29 cm.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eReplacement value £400\u003c\/p\u003e","brand":"Negretti \u0026 Zamba","offers":[{"title":"Default Title","offer_id":53095462273363,"sku":"ANT-693","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.jpg?v=1771858111","url":"https:\/\/powerhouseprops.co.uk\/products\/antique-barograph-qty-1","provider":"Powerhouse Props","version":"1.0","type":"link"}