try http://www.ee.surrey.ac.uk/Contrib/manx/fulltext/dd1887/dor_a.htm
nextdoor to Castle Mona (see http://www.ee.surrey.ac.uk/Contrib/manx/towns/douglas/index.htm for many of places
The crescent bus was the precursor to the horse tram
the alley was Duke/Strand street !