Map of the Lines of Equal Polarization in the Atmosphere Constructed by Sir David Brewster de Alexander Keith Johnston - 1848

William Blackwood & Sons, Edinburgh and London, 1848. First Edition. Softcover. Very Good Condition/No Dust Jacket. Illustrator: Engraved by W & A K Johnston. Map Disbound map with single sheet of accompanying notes from "The Physical Atlas, A Series of Maps & Notes Illustrating The Geographical Distribution of Natural Phenomena by Alexander Keith Johnston F.R.G.S. F.G.S., Geographer at Edinburgh in Ordinary to Her Majesty, Honorary Memeber of the Geographical Society Berlin, F.G.S Paris, Editor of the National Atlas &c. Based on the Physikalischer Atlas of Professor H. Berghaus et. al." Published in 1848 by William Blackwood & Sons of Edinburgh and London. Map sheet is entitled "Map of the Lines of Equal Polarization in the Atmosphere Constructed by Sir David Brewster" and has a vertical centre fold. Black and white engraving with colour washand lines. Edges are slightly darkened and a little bumped. Lower margin of map reads "Edinburgh, John Johnstone W & A K Johnston and Cowan & Co. - Glasgow, James Lumsden & Son". Accompanying sheet is also in good condition but is slightly bumped and damaged on the right vertical edge. Size: 55x67cm. Item Type: Map. Single sheet map/chart which is suitable for framing. Illustrator: Engraved by W & A K Johnston. Quantity Available: 1. Shipped Weight: under 1 kg. Pictures of this item not already displayed here available upon request. Inventory No: 45117094097..