We offer a variety of magnetic compasses, from small plotting compasses up to a 45mm compass with a cover and locking mechanism. Our compasses include sturdy aluminum cases and magnetic needles with the North pole marked.

4"; Magnetic needle on plastic support with a brass pivot.

Durable, liquid-filled clear magnetic compass is housed in a black plastic rotatable bezel. Graduated in 5° increments. Outer diameter of bezel is 45mm. Outer diameter of clear compass is 35mm. Includes a lanyard.

Use this Compass Board and a magnet (not included) to experiment with magnetism, explore magnetic fields, and learn about the functioning of compasses. Each board contains 20 individual compasses.

The economical compass is perfect for an earth science classroom or home school project. The body of the compass is 55mm diameter. The poles are brightly color coded and the compass is marked every 5 degrees and a hole is provided at the top for a lanyard.

…9.25"; x 9"; x 1.5";. KIT INCLUDES THE FOLLOWING: 1 Steel horseshoe magnet, 3 Ceramic donut magnets, 1 Iron filings pack, 1 Lodestone, 1 Activity Guide containing 17 experiments, 2 Ceramic bar magnets, 4 Metal squares (iron, copper, aluminum, and zinc), and 2 magnetic compasses.

…like it has a huge bar magnet located at its center. This set contains a globe that is 110 mm wide with a magnet contained along its axis. The magnaprobe contains a small magnet that is allowed to rotate on two axes. This set illustrates the path of the magnetic field along the surface…

This magnetic compass is extra large (90mm diameter), comes in a bright color plastic case, with a clear plastic top. Shipping weight: 2.0 oz. Dimensions: 4"; x 4"; x 1".

…loop generates a magnetic field. Two coils of insulated wire, with 5 and 10 turns respectively, are wound around a 6" diameter plastic ring. The ring is mounted on a plastic base with 3 binding posts that allow connection to five, ten, or fifteen turns of wire. A magnetic compass (included) can…

…is included in the kit, apart from the power supply. Included is a “U”-Shaped Iron Core with two coils of wire, a straight iron bar, two magnetic compasses, wire connector cords, pins, storage case, and an instruction guide. Students can build both a bar-shaped and a U-shaped electromagnet. A…

…the principles and applications of electromagnets. It includes two coils on plastic spools, a U shape iron core, a straight iron core, two magnetic compasses with stands, and a pair of wires. Students can build a bar-shaped and a U -shaped electromagnet which they power with a 6V battery (not…

…Also included with this set are a 26cm scale to measure the distance between the solenoids on their rails and a clamp to hold a magnetic field sensor or a compass (sold separately). Instructions included. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including…

…plastic base. It comes with six small compasses and one larger compass. To demonstrate Ampere's rule using this apparatus, arrange the compasses around the wire, attach the wire to a power supply (not included), and turn it on. This will cause the compass needles to change directions. PRODUCT…

…maximum or average reading. The display also shows the tilt angle and the probe features a compass for orientation. Manually or automatically records and recalls 20 data points. Comes in a protective foam lined carrying case complete with tripod screw, magnetic mount, 9V battery and instructions.

This apparatus allows students to study the magnetic field around a wire. Heavy brass wire with terminals is arranged on a calear plastic base. Also included are 1 each 45mm comlpass, and 6 each 16 mm compasses and an activity guide.