... a result the conical shadow cast by the moon barely reaches the surface of the earth ... check is provided by the time the planet Mercury takes to cross the solar disk ...
... the dials and these, together with other surfaces, were covered with Greek text that ... part in n teeth wheel L teeth fixed wheel M ratio d Mercury n/a n/a n/a n/a n/a n/a ...
... Capella and the Seven Liberal Arts, v.II The Marriage of Philology and Mercury, tr ... These discrepancies are the result of the sloping surface of the spherical earth." . ...