Cast Iron Stump Base, 2.3", Black Entomology & Zoology_Dissection supporting both qualitative and quantitative

supporting both qualitative and quantitative force-vs-distance student investigations

used as the standard positive partner to ebonite in triboelectric investigations

sized to fit the PH0380A bar-breaking apparatus for repeated thermal-contraction fracture demonstrations

each feature labeled on an included key card

Glass-flask leaf electroscope with a brass rod and aluminum leaf

Cast Iron Stump Base, 2.3", Black Entomology & Zoology_Dissection supporting both qualitative and quantitativeCast iron stump base with a black chemical resistant coating, 2. 3 inches wide and 1. 75 inches tall, supporting 13 mm rods for compact small scale laboratory stand setups.