It's called the Blackburn Heavy Monoplane. Here's a link to a nice page about it. It never really flew much, and a funny note about it is, the wicker seat was taken from Blackburn's father's garden!
http://http://flyingmachines.ru/Site2/Crafts/Craft28478.htm
Here's a very nice model and build article about it, but beware, it's not paper.
Blackburn Monoplane