ELECTRICITY AND MAGNETISM

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 TANGENT GALVANOMETER

 

For investigating strength and direction of a magnetic field due to a current-carrying wire as a long straight conductor or as a coil of one or more turns.
Comprised of a non-magnetic stand about 30cm high with pegs for fixing the surrounding coils, a punched platform and a 50cm diameter compass. Supplied with 3m long flexible copper wire and alligator clips.

Cat. No.

3158-01


 HOLDER FOR D DRY CELLS

 

For using D flash light cell as small, low-voltage power source in the science laboratory, kits etc.
Snap-fit aluminum holder for 33mm diameter dry cells with Fahnstock clips on both sides for external connections. Provided with holes for attaching to a board or panel. Any number of cells can be connected in series or parallel.

Cat. No.

3160-01


 PLASTIC HOLDER FOR D DRY CELLS

 

Holds D Cell batteries and can be connected in parallel or series. Pack of 4 battery holders. Connects 1.5 to 6 volts.

Cat. No.

3160-00


 

RECEPTACLE FOR MINIATURE LAMP (LAMP HOLDER M.E.S. UNMOUNTED)

 

For flash lamp bulbs.
Consists of a rolled shell of brass mounted in plastic base with two screw terminal connections. Diameter 29mm and height 16mm. For use at voltages up to 50V A.C.

Cat. No.

3161-01


 FAHNSTOCK CLIP (CONNECTOR)

 

For making temporary one wire electrical connections in low voltage electrical circuits.
Made of brass. With a hole for mounting.

Cat. No.

3162-02


 LAMP HOLDER (ECONOMY SWITCH)

 

Open bulb miniature socket.
Consists of a 53mm diameter plastic base with two plated brass Fahnstock clips for connecting wires to a miniature lamp bulb holder.

Cat. No.

3163-03


 MINI LAMPS

 

Miniature lamps - screw base.

Volt Amp

Cat. No.

1.5v (#10) 0.60 4008-00
2v (#48) 0.60 4008-20
2.5v (#41) 0.50 4008-10
3.2v (#45) 0.30 4008-37
6.3v (#40) 0.15

4008-60


WELECTROMAGNET U-SHAPE

 

Model of lifting magnet used in industry, such as scrap metal lifter.
Consist of two plastic bobbins wound with enamelled copper wire and mounted on each arm of a soft iron U-core. Each of the bobbins is fitted with two 4mm socket binding posts. Includes an armature with hook to be used as a lifting ring. Operates on 3-6 Volts D.C. Overall length 100mm.

Cat. No.

3165-01


 CONNECTING WIRE WITH ALLIGATOR CLIPS

 

PVC insulated copper wire and 50mm PVC insulated alligator clips on both ends

Colour Length

Cat. No.

Red 12 " 9119-01
Black 12 " 9119-02
Red 24 " 9120-01
Black 24 " 9120-02
Red 36 " 9121-01
Black 36 "

9121-02


 ST. LOUIS MOTOR

 

For studying the functions of the basic parts of electric motors and demonstrating how electrical energy is converted into mechanical energy.
Comprised of a 2-pole D.C. armature with coils and mounted in an aluminium bracket with two binding posts and 4mm socket binding post terminals. The armature is held on brass cone bearings and a shaft fitted with split commutator. Complete with two permanent magnets in adjustable holders mounted on bakelite base (l x w), about 173 x 97mm. Works on 6V D.C. power source.

Cat. No.

3167-00


 OERSTEDS LAW APPARATUS

 

For demonstrating the relationship between magnetism and magnetic effect of electric current flowing in a wire. Comprised of a permanent magnetic needle, 15 cm, free to rotate at the center of an aluminium frame suitably connected to permit current to flow over or under the needle in either direction.

Cat. No.

3168-00


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