The Scottish chemist and physicist James Dewar invented the first vacuum flask commonly known as thermos in 1892. In 1904, a German company Thermos GmbH was formed and the first vacuum flasks for commercial use were made.
The Scottish chemist and physicist James Dewar invented the first vacuum flask commonly known as thermos in 1892. In 1904, a German company Thermos GmbH was formed and the first vacuum flasks for commercial use were made.