"The development of the idea that the earth circles round the sun in a purely mechanical way in accordance with natura…"

"He that would appear wise will not be satisfied with anything that others do; he must do something for himself, and t…"

"The first Graeco-Egyptian astrologists did not invent the discipline they claimed to teach the Hellenic world. They u…"

"It is worth quoting Anthony Grafton’s summation of Scaliger’s assault on the prisca theologia presumptions of his con…"

"In making his own calculation, however, Christopher Columbus preferred the values given by the medieval Persian geogr…"

"You climb a mountain situated close to the sea or a level plain, and then observe the setting of the sun and find out…"

"The gods living in the north at the Meru mountain (i.e., at the north pole) see the Sun, after it has risen, for half…"

"On any day calculate the longitude of the Sun and the Moon for sunrise or sunset without applying the longitude corre…"

"Having fixed a pole, on a level piece of ground, and having described a circle by a cord attached to the pole, one sh…"

"In the great philosophy of Brahma, such violent turns of the scale are quite unknown. It embraces vast stretches of t…"