Cambridge: Geoerge Engelke / Aries Press, 1937. First edition thus. 8vo, 231 pp, bound in gold boards backed in red cloth. No dust jacket.
A facsimile edition, with the German text translated into English by Nicolaus, pseudonym of Marcel Carl.
Provenance: ownership signature of John Douglas Low crossed out on ffep; later ownership signature of the scientist Ralph Donaldson.
Gold boards lightly smudged, as usual, with a couple small indents to back panel and some dustiness to the edges of the text block. Very good. Item #29464