I have it on line see http://www.ee.surrey.ac.uk/Contrib/manx/fulltext/mi1844/index.htm
it is not cheap ! (you are in 3 figures) and it seldoms comes on sale - try Mannin collections as best place
a couple are in other collections - eg W Cubbon's book of Manx Poetry from 1912'sh (but that too is relatively rare)