"agarose powder"

Makes hard to connect components easy to use in electrical circuits.

Now you can put your body's static electricity to good use with this small neon bulb.

Ideal for studying electricity.

Great for classroom demonstrations involving power plants or conversion of energy.

This lamp holder is suitable for miniature base lamps.

Sturdy brass construction for supporting a variety of magnets and friction rods.

Low Cost Meets Quality.

Soldering set for the advanced user.

Universally applicable, floating, high-voltage power supply with built-in, high voltage resistant transformer to supply the heater voltage for electron tubes. Continuously adjustable high voltage, safe to touch, with passive current limitation and analog voltage display. Unit poles can be connected to protected earth, but it is not center tapped.

9 V batteries can be used in electrical circuits when mounted in these holders.