[LMB] [OT] Atlantic crossings

Raymond Collins rcrcoll6 at gmail.com
Thu Jun 24 02:34:04 BST 2021


Navigation in the Mediterranean was suspended for the four winter months.
This period was called the Mare Clausum.
By 50 BCE Roman ships travelled on the Atlantic down south along Africa and
up to the northern parts of Europe as well as Britain.

On Wed, Jun 23, 2021, 6:17 PM Eric Oppen <ravenclaweric at gmail.com> wrote:

> The stormy season in the Mediterranean is winter, AIUI.  During winter in
> classical antiquity,  shipping all but completely stopped.
>
> On Wed, Jun 23, 2021, 3:02 PM baur baur via Lois-Bujold <
> lois-bujold at lists.herald.co.uk> wrote:
>
> >
> > > Elizabeth Holden <alzurite at gmail.com> hat am 23.06.2021 20:46
> > geschrieben:
> > >
> > > I thought the thing that gave the VIkings superior sailing power was
> not
> > so
> > > much the strength of their boats (which were nonetheless superior in
> > build)
> > > but the excellence of their navigation Whether this was because of the
> > "sun
> > > stones" (a device acting like a compass) or simply advanced
> understanding
> > > of the ocean is unclear, at least to me.
> >
> > yes, no, sort off
> >
> > the viking were - for their period - very good (coastal) navigators .. do
> > not that the vikings did, just like the romans never voluntarily go VERY
> > far ( a few days distance) away from a coast line
> >
> > but blue water (not coastal) navigation was - for antiquity as for the
> > viking period and up to John Harrison basically limited to "running down
> > the latitudes" - crossing the ocenan at constant latidues
> >
> > not only did that follow the typical blue water wind and ocean currents,
> > it also made navigation a LOT easier, as you had at least one variable
> (the
> > latitude) fixed and known - the longitude was educated guesswork until
> > Harrison developed the nautcal chronometer
> >
> > you can see that at the routes of the columbous trips .. the
> > translatlantic parts (especially the first voyage - he got more brave
> > later) are basically purely east-west or vice versa ..
> >
> >
> >
> https://en.wikipedia.org/wiki/Voyages_of_Christopher_Columbus#/media/File:Viajes_de_colon_en.svg
> >
> > servus
> >
> > markus
> > --
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> > Lois-Bujold at lists.herald.co.uk
> > http://lists.herald.co.uk/cgi-bin/mailman/listinfo/lois-bujold
> >
> --
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