1905 novel about 2015 New York

The Doomsman (1905), by Van Tassel Sutphen, is a novel about NYC in 2015. Manybooks.net has it in a bunch of different ebook formats.
200710161339The state of civilization in 2015 New York will closely resemble that of England in the early days of Saxon settlement -- primitive people will dwell sparsely in patriarchal stockades and will fight and hunt with bow and arrow.