Equal Polarization Atmosphere North & South Hemispheres 1854 Blackwood map Isles of Shoals The range is literally to

The range is literally to be found in likely over 100 different locations

Black and white photographs throughout

naming the apocryphal Mountains of the Moon and the supposed course of the Niger river

Vineyard Haven & Boston

Paper is typical slightly fragile of the type the USG printers often used

Equal Polarization Atmosphere North & South Hemispheres 1854 Blackwood map Isles of Shoals The range is literally toMap of Lines of Equal Polarization in the Atmosphere. (World Maps, Atmospheric Maps, Northern Hemisphere, Southern Hemisphere, Magnetic Zones). Issued 1854, Edinburgh by William Blackwood and Sons. Engraved by W & A. K. Johnston. Detailed and lovely large mid 19th century color lithographed folio map with piano key border. Fine decorative appeal. Well preserved, nice looking example with pleasing age patina. Original center fold as issued. Sheet