"[Lot of 3] Hyetographic or Rain Map of the World… [and] Hyetographic or Rain Map of Europe [and] Distribution of Heat Over the Globe", Johnston, Alexander K.

Nice lot of three thematic maps from the English version of Heinrich Berghaus' Physikalischer Atlas, the first truly comprehensive thematic atlas. These are very early examples of printed color, the development of which made a huge impact on cartography in general and specifically on the graphic portrayal of geographical data on thematic maps. Each is surrounded in a keyboard style border.

A. Hyetographic or Rain Map of the World, hand color. Shows good detail of precipitation levels, with the darker shaded areas indicating the greatest amount of precipitation. The map identifies the Sahara and Gobi deserts as the "Rainless District." At bottom are profile views displaying the varying degree of precipitation by elevation level and proximity to the coastline. Condition: Offsetting and some isolated foxing.

B. Hyetographic or Rain Map of Europe, printed color and hand color. Displays precipitation levels for mainland Europe, with the darker shaded areas indicating the greatest amount of precipitation. Inset of the British Isles at top right. Condition: There are centerfold separations that extend 1" into the image at top and 1/8" into image at bottom, along with some light offsetting.

C. Distribution of Heat Over the Globe, printed color. Impressive sheet demonstrating the surface temperatures of the globe. There are six different maps including views of annual average temperature, temperature during winter and summer months, and two hemispheric views at bottom. Condition: There are centerfold separations at top and bottom that extend into image 0.75" and 0.25" respectively, and there is light toning along sheet edges.

References:

Condition: B+

See descriptions.