
Tangent galvanometer consists of a bakelite moulded ring 170 mm, with three sets of winding - 2, 5 and 50 turns carefully insulated, connected to heavy brass terminals. The number of turns is clearly marked between the terminals. The ring is mounted on a pivoted round bakelite base which rotates on an aluminium tripod base fitted with three brass levelling screws. The high sensitive compass box (with permanent magnet) is mounted on a substance brass pillar and is free to rotate upon it. The compass is 5 in dia and has a scale graduated to single degrees. All brass parts are chrome plated. Supplied with permanent compass box.