Plastic bobbin with 2, 50 and 500 turns of insulated copper wire and rotatable on vertical axis is mounted on a moulded plastic base, with leveling screws and four terminals, with magnetometer mounted at the center of the bobbin.
A kit of magnets and accessories in a storage tray.
Contents :
1. One Horseshoe magnet, 100 mm, with keepers.Two ceramic bar magnets, 75 mm long.
2. Three ceramic ring magnets, 38 mm diameter
3. Two plotting compasses clear both sides, 19 mm diameter
4. One lodestone specimen.
5. One pack Iron Filing.
6. One each strip of Iron, Aluminium, Zinc and Copper metal.
A former with terminals and engraved circle marked 0 – 180° – 0 figured every 45°, wound with 30 turns of insulated copper wire, complete with a magnetic needle 75 mm long and a pivot for the needle.
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