Compasses

Compasses Up:

• The simplest consists of a magnetized needle suspended on a graduated circle (very cheap) 

• This same compass needle can be suspended in liquid, which results in a higher precision. 

  

Compasses Cartographic:

• Transparent Plate.
  
• Plate with lid and mirror.
  

Special Compasses:

Naúticas	Militares	Topográficas	Geológicas	Forestales

Digital Compass