London: The Nonesuch Press, Limited edition, this no. 314 of 1200 copies, 1929, hardcover with flexible full-vellum binding in slipcase, octavo, 138pp., illustrated with color astronomical decorations by T.L. Poulton. Book near fine with handsome vellum boards with tight binding, previous owner's plate to front pastedown, otherwise text clean and unmarked with gilt to top edge of text block. Slipcase good+ with edgewear to paper boards, handsome gilt decorations. Near Fine.