Spring Signed Swiss Copper Case with Cooker Burner.1960s Spring portable camping stove in copper case comes from the 1960s-1980s. Copper models were mainly produced in these decades, before stainless steel itself began to be widely used. Spring (full name: Spring International) is a Swiss company founded in the 1940s. They specialized in professional cookware, catering cookers, warmers and high-class catering equipment. Their products were (used in restaurants, hotels and by chefs around the world). Condition: discoloration spot (patina, slight traces of use) I do not know if the burner is functional because I do not have the right cylinder for it. At international auctions Spring equipment is currently quite sought after, especially among lovers of "vintage" gastronomy or retro style. Dimensions: Height - 27.6cm Diameter at the bottom - 26cm. Diameter inside the container - 22cm. Width of the grate - 32cm. Depth - 25.5cm. Diameter of the plate under the burner - 18.3cm Diameter of the burner itself - 5.4cm. This piece has an attribution mark, I am sure that it is completely authentic and take full responsibility for any authenticity issues arising from misattribution