[IMG]http://i1174.photobucket.com/albums/r618/Parosphromenus/par060001.jpg[/IMG]
[IMG]http://i1174.photobucket.com/albums/r618/Parosphromenus/paro70001.jpg[/IMG]
These illustration give an idea about how aquariums looked like at the beginning of the 20th century. They are from the Book Das “Leben im Wasser und das Aquarium”.Jaeger.ca.1920