ASTRONOMY -- ASTRONOMIE POPULAIRE en tableaux transparents. Brussels, Kiessling & Cie. Libraires, (n.d., ±1850). W. 12 hand-coloured engraved plates on stiff card, six of which incorporate transparencies. Lge-4°. In or. portfolio, blindstamped w. gold lettering, w. ties. (Spine of portfolio reinforced w. tape, a few transparencies on plates III and VII torn). -- Added: NOUVELLE CARTE CÉLESTE rotatoire a l'usage des ecoles. Brux.?, n.d. (2nd half of the 19th c.). Card w. paper starred sky & volvelle w. tie, showing the constellations on the Northern hemisphere at any given date of the year. Explanatory text on v°. 180 x 180 mm. (Upper paper detaching in places, ticket pasted on, mechanism firm).