File talk:Edison bulb.jpg
Maud (talk) 15:37, 24 October 2013 (UTC)MaudB Note: The link to the original image no longer works, making attribution impossible. The new link is http://www.classstudio.com/img/internship/sightseeing_day2/edison_bulb.jpg
Maud (talk) 15:37, 24 October 2013 (UTC)MaudB Note: The link to the original image no longer works, making attribution impossible. The new link is http://www.classstudio.com/img/internship/sightseeing_day2/edison_bulb.jpg[reply]
