He has only to steer the craft so that the N / S compass needle lies parallel between the lines of the overlay disc.
22.
:: : I suppose that you could build a very precise compass needle and track the motion of the magnetic poles in some clever way.
23.
In 1517 King Manuel I of Portugal handed Lopo Homem a charter gaving him the privilege to certify and amend all compass needles in vessels.
24.
The Man in Black explains to Desmond that people built wells looking for the source that made compass needles spin at points like this location.
25.
In 1745, Knight discovered a process for creating strongly magnetized steel, which he used to develop a compass needle able to function with greater precision.
26.
In 1517 King Manuel I of Portugal handed Lopo Homem a charter giving him the privilege to certify and amend all compass needles in vessels.
27.
The Earth's natural magnetic forces are considerably weak, measuring at 0.5 Gauss and magnetic fields from household electronics can easily exceed it, overpowering the compass needle.
28.
The magnetic field around the Earth is similarly shaped like a teardrop, determining the magnetic forces on Earth that pull a compass needle to the north.
29.
They include a bullet, a horn beaker, a compass needle, and a coconut shell that Bligh used as a cup during the turbulent voyage to safety.
30.
What they did was to buy a little compass and glue a piece of magnetic ferrite on the side to pull the compass needle away from north.