Connecting Lead, Model V Item Type_Shot Glass Spare pack of ten low-mass

Spare pack of ten low-mass pith balls sized for the standard pith-ball electroscope

and foot-anatomy teaching

stable Alnico fields and matching keepers across this bar-magnet pair give the classroom a reliable workhorse for ferromagnetism and pole-orientation demonstrations

The waves generate nodes & antinodes & their full wave length or half wave length can be measured

Five-bulb circuit demonstrator with 8 removable metal bars on a heavy base

Connecting Lead, Model V Item Type_Shot Glass Spare pack of ten low-massStackable 4mm lead with nickel plated split hollow pins on both ends, supplying a branched circuit patch wire where additional leads need to share the same terminal connection.