Hi,  You can purchase antique reproduction light bulbs at Van
Dyke's Restorers.  Their URL is http://www.VanDykes.com/  They have
reproduction Edison bulbs in three different styles, for around
$13 each.  They look just like the originals.

Craig Smith
Rochester, New York  USA

 [ Thanks, everyone, for your replies.  Van Dyke's can't spell their
 [ name consistently on their web pages!  The registered corporate
 [ name is Van Dyke Supply Co., Inc.  -- Robbie