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

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

and pendulum period in physics experiments

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

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

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.