Cosmographic Book (Cosmographicus Liber)

...of nations and peoples. To this at last is attached an appendix in which the following written things are contained.

How the equal hours of the night are to be tracked from the movement of the moon.

How the illumination original: "incensio," referring to the waxing or lighting up of the moon of the moon's body is to be observed.

How the hours of the night are to be observed from the fixed stars of the Great Bear the constellation Ursa Major, or the "wheels of the wagon" a common historical name for the Big Dipper.

¶ Errata recognized: not every single one, but those worthy of notice.

Things to be corrected in the first part.

In column 20, line 9 and following: for "triangle: which beyond the place of the plumb-line indeed and," put: "of the little wheel: which stands out beyond the circle in the degrees of the quadrant, the altitude of the pole, etc."

Column 20, line 1: "proportion." The third

Read "proposition."

Column 21, last proposition.
Read "proposition" The author is likely correcting a typographical error in the original Latin formatting.

Column 49, line 7: "around the edges south and west": read "around the edge south and north."

Column 52, line 15: "From the rising of the equinoctial" the celestial equator better: "equinoctial" original: "tiali," a correction to the word's suffix.

Column 63: on the right side of the mirror original: "speculi," likely referring to an illustration or the face of an astronomical instrument for "west" put "east." On the left side, for "east" put "west." And on the edge, for 11 write 1; for 10 write 2; for 9 write 3; for 8 write 4, etc.

¶ Things to be corrected in the Second part

Column 76, col 2, line 26.
Rochlitz a town in Saxony 30. 15 | 15. 2. Put 30. 15 | 51. 2.

Column 86, col 1, line 19. "Thayrus."
Read "Cairo" original: "Chayrus".

In the appendix, line 17, col 1. "hour by the instument" read "instrument" correcting the Latin "instumento" to "instrumento".

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A Four-Line Verse by Joannis Auen:

To the Reader.

The stretches of the Heavens and the Earth, and the retreats of the sea,
By which axis of the sky all things shall be placed:
Rivers with forests, famous cities with mountains,
Buy this for a very small price; this little page teaches them all.