New York Dramatic Mirror, February 13, 1909, p. 12.

The Edison studio has produced a vey creditable piece of work in this picture, quite in harmony with the high character of the subject. We believe it could have been shortened with distinct advantage to the interest of the story, particularly in the scene showing the home of the poor shoemaker and his blind sister before the story connects them with Beethoven, but the picture is so good in other respects that we are likely to forget this apparent padding of the film to bring it up to a full reel. As the story goes, Beethoven, after struggling at his work one night with little success, took a moonlight walk with a friend and heard someone playing one of his compositions. Investigating, he found it to be the blind sister of a poor shoemaker. Seating himself at the piano he played for the girl, and when the candle was accidentally extinguished he declined to have it relit, but played on by moonlight, improvising to make her understand the beauty of the moonlight which his eyes could never see. The poetical nature of the story is cleverly and intelligently brought out by the Edison players, the character of Beethoven being especially well done. 

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Below is the Library of Congress catalog record for this print of Origin of Beethoven's Moonlight Sonata and its preservation elements.  (Thanks to Rosemary Hanes at LOC.  Bold highlights added.)