World distribution of Food Plants, 1850.

"Geographical Distribution & Cultivation of the most Important of Plants which are used as food for Man ..." engraved by W. & A.K. Johnston, published by William Blackwood & Sons in Johnston's Physical Atlas of Natural Phenomena, 1850. Steel engraved map with original hand colour. Good condition with plate mark and wide margins. Size 26.5 x 20.5 cms. Ref F1527