Almagest

The most noted of all the writings of Ptolemy is the work which became famous under the Arabic name of Almagest.

Here at the bedhead are his books, including the astronomical treatise of Ptolemy called Almagest.

The subject is hardly worth further discussion, so I merely refer the reader to the Almagest, lib.

The reference is right, for the 'motus celi' are discussed in the Almagest, lib.

Tables of mean motions of the Sun are given in Ptolemy's Almagest, lib.