Nice lot of engraving related to astronomy from various encyclopedias.

1) Astronomie Pl. VIII is focused on the constellations of the northern sky. (8 x 12.8")
2) Astronomie Pl. IX is focused on the constellations of the southern sky. (8 x 12.8")
3) Astronomie Pl. 13 Figure de la Lune par Mr. de la Lande l'An 1772 maps the surface of the moon, surrounded with a numbered key to the specific landmarks. (6.6 x 8.8")
4) This untitled diagram shows the orbit of the planets in the solar system, with diagrams on either side featuring other theories, including that of Tycho Brahe. (10.3 x 8.3")
5) The phases of the moon are noted on this diagram, with other planets orbits noted in surrounding diagrams. (10.3 x 8.3")
6) Wallensteins Tod, von Frierich von Schiller is a lithographed view of a scene from a play depicting an astronomer. (6 x 8.6")
7) Astronomie Pl. 32 depicts the mechanics of an early telescope. (6.3 x 8.8")
8) Plate B 2 has numerous illustrations. (10 x 8")

References:

Condition: B

Most plates very good, but sheets 4-5 have some foxing and sheet 6 has a marginal stain.