Over the years I have travelled all over Europe in my motorhome.
and frequent stops
I was going in the right direction.
Nowadays I still use maps (often on the laptop)
but when actually on the road a SatNav is essential
Finding the way has always been a challenge
from earliest times.
To help lines were drawn on maps and sketches.
These we now call
Using Latitude was easy because;-
- They were all parallel
- Star patterns were unique to each line.
For centuries being unable to calculate longitude
hampered travel especially by ship.
the resolution of this problem
which is the beginning of the
This is a fascinating account
In the process explaining
why 0 degrees goes through Greenwich.
I was also reminded of the "Watch" episode of
Only Fools and Horses.
The watch they had in the garage was sold for £millions