Blue cloth boards. Boards well-rubbed, and rubbed to board in some spots; titles to spine are dull, mostly effaced.

Vienna, 1923. Rebound in black cloth with gilt titles. Clean, tight, unmarked with fading & very minor stain to title page.

Second edition. Sm4to, 570pgs. Book is full-bound in dark blue cloth with a paper title label and black titling on spine. Book is solid and there is a striking, hand colored foldout map facing p.568, map is in excellent condition. Interior is clean though slightly toned. Spine ends and corners are worn with light fraying, slight rubbing to paper label and corners at tail end are lightly bumped. Front pastedown has a previous owner's bookplate.

"1954. Sm 8vo. Green cloth boards are solid, minimal edgwear at tips some edgewear to spine ends. Text is clean throughout. Binding is cracked, although leaves are solidly intact and spine is uncreased.

Second edition, enlarged. 16mo, 508pgs. Full bound in navy blue cloth with gilt stamped image of owl on front board and gilt stamped titling on spine. Slight wear to head and tail of spine, as well as corner tips. Paste-down endpaper cracked but hinge still solidboth front and back. Slight toning to interior pages, else clean throughout.

Some soil to front cover.

"Clean, bright, tight & completely unmarked.

Blue cloth 8vo with paper spine label. Very old library plate on inside front cover. Clean, bright, and otherwise unmarked. One of the Bridgewater Treatises.

"Rebound. 12mo, 496 pgs + ads. Quarter bound tan cloth with marbled paper boards. Several fold-out charts and maps, some reinforced with paper tape, black and white illustration cuts throughout. Original passages with some damp stains, especially near the beginning of text block. Previous owner's signature on title page. A thorough volume on the science of astronomy.