Product Description :
(For deflection magnetometer or tangent galvanometer) Comprising a thick Bakelite moulded case of 125 mm dia. with black aluminium dial graduated 0-90o four times, anti parallax mirror slot. The special permanent magnet (small in size) and a light aluminium pointer supported on a steel pivot by jewel bearing sets. The permanent magnet is designed in such a way so that it has maximum magnetic field strength.