Part of a solar panel installation
By St. Petersburg Coastal and Marine Science Center
2011 (approx.)
![Solar panel frames.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Solar4desLG.jpg?itok=XGo7xrzi)
Detailed Description
Water will flow through the horizontal header tubes and transfer heat energy from the evacuated tubes to the storage tank below.
Sources/Usage
Public Domain.