4 Lumbar Vertebrae Model with Nerve Branches, 7.25" Light & Optics_Spectroscopy Pear-shaped Squibb separatory funnel in

Pear-shaped Squibb separatory funnel in borosilicate glass holds 500mL with Rotaflow stopcock for liquid-liquid extraction and phase separation

Straight receiver adapter with cone in borosilicate glass features 14/23 socket and cone for distillation collection and apparatus connections

the metal handle and frame giving durability for repeated student use during reading and specimen inspection

Shifting through a full rainbow of colors with pH

the compact cross-section model maps pituitary

4 Lumbar Vertebrae Model with Nerve Branches, 7.25" Light & Optics_Spectroscopy Pear-shaped Squibb separatory funnel inFour natural size lumbar vertebrae stack on a mounted base with extending spinal nerve branches for teaching lumbar anatomy, lower back pain, and sciatica pathways.