Prismatic compass Description and Specifications for Lab Tenders
Prismatic compass Use:
obtaining the true north and getting magnetic north.
Standards:
• ISO 8729:1999
Specifications:
• made of Aluminium/brass
• Size 100mm, 125 mm, 150 mm dia.
• Complete in Case with Aluminium Telescopic/Rigid/Wooden Tripod.
• Aluminium circle consist of a needle graduated to 30min (0.5) graduations
• Painted with water proof paints.
• Carrying cases are made of Fibre with carrying straps
• Least count 30’