Resistor Board, resistors mounted on a circuit board. Test clip holes on either side of the resistors allow for easy connections to clips on wire leads, provides an ideal set of load resistors, Dimensions: 3. 5 in long by 2 in wide
Solar Thermal Exploration Kit, Explore variables such as box color, light intensity, tube design, rate of water pumping, and amount of time it takes to heat water. Includes some basic information on solar water heating systems and how they work
Voltage Converter 1000 Watt, Diamond Series Type 3, Dimensions: 7.25 in x 8.25 in x 5.75 in, Extra Adapter Included to Use with 220 Volt Outlets, Step-up 110/120 to 220/240 volts, Step-down 220v/240v to 110v/120v.