US$ 1303.50
energizing spectrum tubes from a 110V source to excite hydrogen
and coil wire with step-by-step assembly instructions
the hBAR infrared thermometer can accurately tell the temperature
and chemistry procedures
Two-hundred-fifty-ohm 5W fixed resistor in an ABS module with 4mm sockets
Morse Code Key on Wooden Base with 4mm Terminals Rod Material_Stainless Steel energizing spectrum tubes from aWooden base Morse code key with a black knob, two adjustment screws on a spring loaded aluminum bar, and 4mm wire terminals, dropping into the Worcester Circuit Board Kit for telegraph work.
US$ 1303.50
US$ 55.00
US$ 554.50
US$ 44.95
US$ 99.00