Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667

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1to Aleppo, and this it is: That keeping a particular account and

memorial of the dayes of the departure and arrival of the Ships in
the Ports of Alexandria, of Alexandretta, and this of Venice; in
comparing ſundry of them, which I did for my curioſity, I found
that in exactneſs of account the returns hither, that is the voiages
from Eaſt to Weſt along the Mediterrane, are made in leſs time
then the contrary courſes by 25. in the Hundred: So that we ſee
that one with another, the Eaſtern windes are ſtronger then the
Weſtern.
Which Wind
with our Engliſh
Mariners is called
the Trade-wind.
The voiages in the
Mediterrane from
Eaſt to Weſt are
made in ſhorter
times than from
Weſt to Eaſt.
SALV. I am very glad I know this particular, which doth not
a little make for the confirmation of the Earths mobility.
And
although it may be alledged, That all the Water of the
rane runs perpetually towards the Straits-mouth, as being to
diſimbogue into the Ocean, the waters of as many Rivers, as do
diſcharge themſelves into the ſame; I do not think that that
rent can be ſo great, as to be able of it ſelf alone to make ſo
table a difference: which is alſo manifeſt by obſerving that the
water in the Pharo of Sicily runneth back again no leſs towards
the Eaſt, than it runneth forwards towards the Weſt.
SAGR. I, that have not as Simplicius, an inclination to
fie any one beſides my ſelf, am ſatisfied with what hath been ſaid
as to this firſt particular: Therefore Salviatus, when you think
it fit to proceed forward, I am prepared to hear you.
SALV. I ſhall do as you command me, but yet I would fain
hear the opinion alſo of Simplicius, from whoſe judgement I can
argue how much I may promiſe to my ſelf touching theſe
courſes from the Peripatetick Schools, if ever they ſhould come
to their ears.
SIMP. I deſire not that my opinion ſhould ſerve or ſtand for
a meaſure, whereby you ſhould judge of others thoughts; for
as I have often ſaid, I am inconſiderable in theſe kinde of ſtudies,
and ſuch things may come into the mindes of thoſe that are
ed into the deepeſt paſſages of Philoſophy, as I could never think
of; as having (according to the Proverb) ſcarce kiſt her Maid:
yet nevertheleſs, to give you my ſudden thoughts, I ſhall tell
you, That of thoſe effects by you recounted, and particularly the
laſt, there may in my judgement very ſufficient Reaſons be given
without the Earths mobility, by the mobility of the Heavens
ly; never introducing any novelty more, than the inverſion of
that which you your ſelf propoſe unto us.
It hath been received

by the Peripatetick Schools, that the Element of Fire, and alſo a
great part of the Aire is carried about according to the Diurnal
converſion from Eaſt to Weſt, by the contact of the Concave of
the Lunar Orb, as by the Veſſel their container.
Now without
going out of your track, I will that we determine the Quantity of

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