Sodium
"In all my experiments I could, owing to lack of time, pay attention to only those matter which appeared to have a bearing upon practical optics"
—Joseph von Fraunhofer
759
views
4
faves
3
comments
Uploaded on February 20, 2008
Taken on February 20, 2008
Sodium
"In all my experiments I could, owing to lack of time, pay attention to only those matter which appeared to have a bearing upon practical optics"
—Joseph von Fraunhofer
759
views
4
faves
3
comments
Uploaded on February 20, 2008
Taken on February 20, 2008