Compass Prismatic Liquid 3A is a robust
presicion instrument and used by the army and navigators for
directional and bearing purpose.It is manufactured from
non-magnetic materials to IS/BS standard sprecifications.
Reading dial incorporates best quality polyster and is jewel
mounted.Prisms and windows are manufactured from high quality
optical glass and are ground or polished for accurate and clear
readings.The compasses are fully temperature tested for bubbles
and freedom from leakage.Readings can be taken during night.