Lindal diagram
The Lindal diagram ( Baldur Lindal , 1918–1997) shows the temperature level required by thermal processes, such as
- Heating swimming pools
- Water heating
- Air conditioning
- Drying
- Food treatment
in a bar or list display.
Individual evidence
- ↑ What is Geothermal Energy? ( Memento from October 27, 2010 in the Internet Archive )
- ↑ Bar graph ( Memento from September 6, 2012 in the web archive archive.today )
- ↑ List display ( Memento from June 10, 2010 in the Internet Archive )