Demonstration Compass, 10Cm Long Magnetic Needle On Compass Map, Easy To Demonstrate The Cardinal Points Of A Compass And Determine All Their Directions.
Demonstration Dynamo, Hank Crank, Electrical Output Via 4mm Terminals, Hand Powered, May Also Be A Motor Powered By 6 To 8V Power Supply, Model Is Mounted On A Base Plate 200 X 125 mm Approx. Which Also Carries A Hand-Drive Pulley 125 mm Diameter Coupled
Demonstration Electromagnet, Requires Power Supply, Copper Wire Is 23Swg - Diameter (0.61mm), Number Of Turns: 230, Resistance: 0.8 Ohm, Inductance: 1.6Mh, Voltage Supplied Through Those Connections Power The Electromagnet (Maximum Of 12V)
Demonstration Electroscope, For The Demonstration Of Static Potentials. Available With Charging Ball Plus A Set Of Condenser Plates With Insulated Rod. Ring Diameter 150 Mm
Demonstration Induction Coil, Heavy Gauge Enamelled Copper Wire Wound On Former 110 X 30 mm. Secondary Coil Of Fine Enamelled Copper Wire On Former 120 X 82 mm. Both Coils Fitted With 4 mm Sockets, With Primary Of Heavy Gauge Enamelled Copper Wire
reflection and refraction demonstrator, 16cm diameter acrylic water tank has a 360 degree scale and a moveable arm carrying a laser activated by a push-button, Thumb screws on the side of the laser harness can be adjusted to finely position the laser beam