A Rare American Sea Chart of Florida and the Gulf Coast
Scarce nautical chart of Florida and the Gulf Coast, published in Boston by George Eldridge:
The chart covers entire coast of Florida, as well as the coasts of Alabama and Mississippi. Eldridge notes the location of the "Axis of the Gulf Stream" as it passes between Florida and the Bahamas and further north, the Axis of the Gulf Stream Warmest Band".
Dozens of lighthouses are noted in yellow and red.
Includes inset maps of the of Florida Keys, Pensacola Bay, and Entrance to Mobile Bay.
The map is scarce on the market. OCLC locates a single example (1884 edition -- Library of Congress)