James Bigler's improved automatic signal buoy patented Nov. 1893 in Asia, Europe and America.
Bigler, James.
Davis, AlfredC.E.,former owner.StEdNL
Newburgh, N.Y. : James Bigler,
[1893]
Inkstamp of "Alfred Davis C.E. St Ermin's Mansions Westminster."
Buoys.
Aids to navigation.
New York Newburgh.