A very unusual atlas prepared for the International Meteorological Committee. Second edition. Consisting of 26 plates and 16 pages of text (in each of three languages; English, French, and German). The plates feature various cloud formations and were produced by the photochromotype process by Polygraphisches Institut A.G., Zurich. Enclosed in original portfolio, paper boards with leather spine and original cloth ties.
Ink stamp of Ontario Camp Leadership Centre on front cover. Plates with some rubbing, slight abrasions and thumbtack holes in corners. Covers with soil and scattered foxing.