Image showing missing text edit box
Please see Bug 61220. I tested three different browsers in three OS and the problem is identical. Meaning that this is a Wikimedia software problem.
Browsers tested:
Firefox 27.0.1 in Windows, Ubuntu, and Mac OSX
Safari in Mac OSX
Chromium in Ubuntu.
Version: unspecified
Severity: major
URL: https://en.wikisource.org/w/index.php?title=Page:Popular_Science_Monthly_Volume_31.djvu/289&action=edit
Attached: