Cast Iron Stump Base, 2.3", Black Entomology & Zoology_Dissection sized to fit the PH0380A

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

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

this student molecular model set covers both inorganic and organic chemistry topics with durable plastic atoms and connecting links

used as the standard positive partner to ebonite in triboelectric investigations

Cast Iron Stump Base, 2.3", Black Entomology & Zoology_Dissection sized to fit the PH0380ACast 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.