SASA Brass Survey Compass For Industrial, Laboratory

item description from the seller:

ü  make: sasa

ü  usage: for basic survey, topography & navigation

ü  application: surveying

ü  material: brass

ü  feature: easy to install.

ø product description:

a prismatic compass is a navigation and surveying instrument which is extensively used to find out the bearing of the traversing and included angles between them, waypoints (an endpoint of the lcourse) and direction.

ü  navigation: a prismatic compass can help you find your direction, waypoints, and bearing. 

ü  surveying: a prismatic compass can help you determine the bearing of traversing lines and the angles between them. 

ü  topographic: a prismatic compass can be used in land surveys, road surveying, and preliminary surveying. 

a prismatic compass is a compact, hand-held compass that uses a prism to take more accurate observations. it has the following parts:

ü  cylinder-shaped metal box: protects the compass and its casting

ü  pivot: supports a magnetic needle that's suspended freely

ü  magnetic needle: maintains its two ends pointed in the direction of the north-south pole 

ø product specification:

ü  material: aluminum, brass & glass

ü  height: 33.5" inches approx. (while closed) & 55" inches approx. (while fully extended)

ü  compass diameter: 4" inches approx.

ü  set includes: tripod & compass with their bag and case.