Tangent Galvanometer
It consists of a bakelite moulded ring 170 mm dia., with three sets of winding either 2, 50 and 500 turns or 2, 5 and 50 turns (depending upon the requirement) respectively, carefully insulted, 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 aluminum tripod base fitted with three brass leveling screws. The high sensitive compass box (with permanent magnet) is mounted on a substantial brass pillar and is free to rotate upon it. The compass is 5” in dia. and has a scale graduated to single degrees. Overall height is app. 9”. All brass parts are chrome plated.