And
now that there may be a final end of the uses and effects of the Compass, it
is convenient that I make known unto you how many leagues shall be sailed upon
every particular point of the Compass, for the raising or laying of the degrees
of latitude, and in the distance sailing how far you shall be separated from
the meridian from whence the said courses are begun, for as every point of the
Compass hath his certain limited distance for the degrees of the Pole elevation,
so do they likewise lead from longitude to longitude, every point according
to his ratable limits, which differnces of leagues are without alteration, keeping
one and the same positon in every particular Horizon of any latitude, but the
degrees of longitude answerable to such distances, do differ in every altitude,
according to the nature of the parallel, as hereafter shall be more plainly
manifested.
- And now know that in sailing North and
South, you depart not from your meridian, and in every 20 leagues sailing
you raiseth a degree:
- North by East raiseth a degree in
sailing 20 leagues and one mile, and leadeth from the meridian 4 leagues:
- North-North-East raiseth a degree
in sailing 21 leagues and 2 miles, leadeth from the meridian 8 leagues and
1 mile:
- Northeast by North, raiseth a degree
in sailing 24 leagues, and leadeth from the meridian 13 leagues and a mile:
- NorthEast raiseth a degree in sailing
28 leagues and a mile, and leadeth from the meridian 20 leagues:
- Northeast by East raiseth a degree
in sailing 36 leagues, and leadeth from the meridian 30 leagues,
- East North East raiseth a degree
in sailing 52 leagues and a mile, and leadeth from the meridian 48 leagues
and 2 miles:
- East by North raiseth a degree in
sailing 102 leagues and a mile, and leadeth from the meridian 100 leagues
and 2 miles:
- East and West do no raise or lay
the Pole, but keep still in the same Parallel:
The like allowance is to be given
every quarter of the Compass, as is laid down upon this Northeast quarter.
