Demonstration Meter Included_Rod Engineered to expose both AC

Engineered to expose both AC and DC generation on a single hand-cranked apparatus

and organelles with hand-painted detail on a mounted base for biology teaching

offered as a safer substitute for the lead-containing PH0112FCB set

letting instructors tailor voltage to light sources and experiment-specific requirements

Acrylic bell-in-vacuum jar with an internal 4-6V DC electric bell that fades and falls silent as the enclosed air is removed

Demonstration Meter Included_Rod Engineered to expose both ACPermanent magnet moving coil meter mounted in a transparent wooden box with all internal electrical connections visible, sized so students can see the moving coil mechanism while it reads.