Antique printed color map showing magnetic declination and inclination throughout the world, from "The Physical Atlas of Natural Phenomena" by Alexander Keith Johnston, published by William Blackwood and Sons in 1856. In very good antique condition with some toning, this piece measures approximately 20 x 24 inches.
Genuine Antique Printed Color Map
Maker: A.K. Johnston
Maps of Antiquity is located on Cape Cod
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1409 Main Street (Route 28)
Chatham, Massachusetts 02633