Instructions for lensating compass-to take a fix: using the compass
hairline, sight on a prominent landmark or feature shown on a map. Read
the
magnetic bearing from the front of the compas dial.
Traduction
These
magnetic properties can be achieved as a result of the order-disorder phase transformation of the binary fe-pt alloy system fe-pt keepers require solution heat treatment to produce disordered fe-pt atoms, whereas ordered fe-pt magnets can be made by using an aging heat treatment after solution
Traduction
