Education/demonstration model - Bakelite, Plastic - 1950-1960 - Rosenblads Scale Model






He has 15 years of experience trading 20th century glass and antiques.
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Rosenblads Patenter, a Swedish design industrial model, presents a single Bakelite and plastic scale model of a Spiral-värmeväxlaren cutaway spiral heat exchanger from the 1950s, 14 cm high, 9 cm wide, 7 cm deep, in good condition with a vintage dust patina and one nut missing from an upper screw.
Description from the seller
Rare educational or demonstrative model in a sectional view of a spiral heat exchanger, produced by the historic Swedish company Rosenblads Patenter based in Stockholm, as clearly indicated by the plaque on the base. The device is named "Spiral-värmeväxlaren" which in Swedish means, indeed, a spiral heat exchanger. It is a cutaway model (Spiral-värmeväxlaren cutaway) used at industrial fairs, in engineering schools, or for commercial purposes to visually show the internal workings of the machinery without having to open a real one.
Condition: the item is in excellent cosmetic condition except for the historic dust that gives it a patina, and although a nut is missing on one of the top screws, as shown in the latest photo, it is free from scratches or visible damage.
Shipping insured only to mainland Europe; for other destinations (islands, extra-EU destinations, special regions, etc.) please contact before placing an offer to assess the higher costs to be borne.
Rare educational or demonstrative model in a sectional view of a spiral heat exchanger, produced by the historic Swedish company Rosenblads Patenter based in Stockholm, as clearly indicated by the plaque on the base. The device is named "Spiral-värmeväxlaren" which in Swedish means, indeed, a spiral heat exchanger. It is a cutaway model (Spiral-värmeväxlaren cutaway) used at industrial fairs, in engineering schools, or for commercial purposes to visually show the internal workings of the machinery without having to open a real one.
Condition: the item is in excellent cosmetic condition except for the historic dust that gives it a patina, and although a nut is missing on one of the top screws, as shown in the latest photo, it is free from scratches or visible damage.
Shipping insured only to mainland Europe; for other destinations (islands, extra-EU destinations, special regions, etc.) please contact before placing an offer to assess the higher costs to be borne.
