{"product_id":"north-hollywood-ca-california-superweld-corp-hydrogen-atmospher-furnace-postcard","title":"North Hollywood CA California Superweld Corp Hydrogen Atmospher Furnace Postcard","description":"\u003cp\u003eThis vintage postcard showcases the Superweld batch-type multiple-muffle hydrogen atmosphere furnace designed for large assemblies and special heat-time cycles such as brazing and annealing. The postcard vividly captures the furnace's glowing interior, highlighting its impressive size with a muffle diameter of 54 inches and height of 36 inches. Produced by Mellinger Studios of Pasadena, California, and printed by Dexter of West Nyack, NY, this card reflects a unique industrial process important to mid-20th-century manufacturing technology.\u003cbr\u003e\u003cbr\u003eIdeal for collectors interested in industrial history or technological advancements, this postcard offers a rare glimpse into specialized heat treatment equipment used in the Western United States. The card's clear, detailed image and informative text make it a valuable piece for those fascinated by metallurgy, manufacturing, or vintage industrial postcards. Its original paper material, standard 5.5 x 3.5 inch size, and the absence of any writing or postmarks make it a pristine addition to any collection.\u003cbr\u003e\u003cbr\u003e_________\u003cbr\u003ePostcard Size: Standard Vintage 3 1\/2 by 5 1\/2\u003cbr\u003e(Unless Otherwise Noted in Title)\u003cbr\u003e\u003cbr\u003ePlease contact us with your questions or concerns.\u003cbr\u003e\u003cbr\u003eThank you for stopping by ~ Follow Smoot's Farms on other social media platforms!\u003c\/p\u003e","brand":"Smoot's Farm","offers":[{"title":"Default Title","offer_id":48485735170265,"sku":"40250","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0597\/2482\/4793\/files\/gfbU6tJG_0.jpg?v=1775246791","url":"https:\/\/smootsfarm.com\/products\/north-hollywood-ca-california-superweld-corp-hydrogen-atmospher-furnace-postcard","provider":"Smoot's Farm","version":"1.0","type":"link"}