[p. 38]: on the the same Axis -> on the same Axis
[Footnote 32] κοσμὸν -> κόσμον
[p. 69]: who were suprised to find -> who were surprised to find
[p. 69]: than those whch -> than those which
[p. 72]: than tie a thread -> then tie a thread
[p. 74]: is is equal to -> is equal to
[p. 74]: the graduaded limb -> the graduated limb
[Footnote 49]: bove the horizon -> above the horizon
[p. 78]: different lenghts -> different lengths
[p. 78]: from the the Equator -> from the Equator