Demonstration Meter Included_Rod used to extend the activity-series

used to extend the activity-series comparison and to introduce the chemistry of the lead-acid battery

Two transparent 153 x 76 x 6mm plates

gripping cylindrical items from 15 to 60 mm alongside an integrated boss head for retort rods

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

Larger 125-millimeter slotted screwdriver with a 4mm tip and durable plastic handle

Demonstration Meter Included_Rod used to extend the activity-seriesPermanent 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.