World, Volcanic Activity, 1850.

"Phenomena of Volcanic Action. showing the Regions visited by Earthquakes and the Distrubution of Volcanoes over the Globe" engraved by W. & A.K. Johnston, published by William Blackwood & Sons in Johnston's Physical Atlas of Natural Phenomena, 1850. Steel engraved map on thick paper with original hand colour. One fox mark, otherwise good condition with plate mark and wide margins. Size 26.5 x 20.5 cms. Ref F723