Vintage red Dr. Zimmermann Thermos by Rotpunkt - West Germany

Vintage red Dr. Zimmermann Thermos by Rotpunkt - West Germany. 

• Manufacturer: Rotpunkt
• Date of manufacture: 1970s

Description
Beautiful sleek space-age design with pattern in red and white. The cap of this thermos is, as usual, a drinking cup at the same time.

At the bottom of the thermos is written: Dr. Zimmernann, West Germany, type 45/500

Condition
This thermos is in a used vintage condition with traces of wear. Damage to cap / cup (see photo),

Data

• Content: 0.5 liter
• Height: 27 cm
• Diameter: 8.5 cm

Thermos
A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that greatly lengthens the time over which its contents remain hotter or cooler than the flask's surroundings. Invented by Sir James Dewar in 1892, the vacuum flask consists of two flasks, placed one within the other and joined at the neck. The gap between the two flasks is partially evacuated of air, creating a near-vacuum which significantly reduces heat transfer by conduction or convection.

Vacuum flasks are used domestically, to keep beverages hot or cold for extended periods of time, and for many purposes in industry.

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