{"product_id":"antique-pneumatic-temperature-regulation-panel-by-johnson","title":"Antique Pneumatic Temperature Regulation Panel by Johnson","description":"\u003cp\u003ec. 1910s-1930s; Johnson Service Company - New York\u003cbr\u003e\n\u003cbr\u003e\nA handsome early pneumatic control panel from the Johnson System of automatic temperature regulation-one of the foundational technologies that shaped modern HVAC control. Housed in a solid wood case with dovetailed construction, the panel incorporates a large Johnson Service Company air-pressure gauge, two manual dial controls labeled Open and Closed, and a metal maker's plate detailing the system's installation and purpose. The reverse reveals original piping manifolds and connectors, offering a complete view of the mechanical logic behind early 20th-century climate control.\u003cbr\u003e\n\u003cbr\u003e\nJohnson Service Company-later Johnson Controls-was among the most influential American manufacturers of building automation, pioneering air-operated thermostatic equipment used in schools, factories, and commercial architecture throughout the early 1900s.\u003cbr\u003e\n\u003cbr\u003e\nWear consistent with age is present across the wood and metal surfaces, including scratches, oxidation, soiling, and general patina from long-term industrial use.\u003cbr\u003e\n\u003cbr\u003e\n18\" W x 6\" D x 14\" H\u003cbr\u003e\n\u003cbr\u003e\nMM - 18175 - 120425\u003c\/p\u003e\n\n\u003cp\u003eFor information regarding shipping, please visit our Terms \u0026amp; Conditions page \u003ca class=\"GeneratedLink\" href=\"https:\/\/industrialartifacts.net\/pages\/shipping\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Industrial Artifacts","offers":[{"title":"Default Title","offer_id":42695349043243,"sku":"18175","price":1450.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0194\/8170\/files\/c179b6c2-4dd5-5271-8306-9b8aee7dcf0e.jpg?v=1768346211","url":"https:\/\/industrialartifacts.net\/products\/antique-pneumatic-temperature-regulation-panel-by-johnson","provider":"Industrial Artifacts","version":"1.0","type":"link"}