Table Clamp for Lab Rod, 2.5" Table Thickness Metal Labware_Clamps & Bossheads and major vessels of the

and major vessels of the human heart

Hand-driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence-of-vision and additive color mixing

and 2 quadruple pulleys on a heavy composite base with capstan

Built to grip round flasks and condensers during distillation or reflux

Hand-painted male pelvis model exposes the narrower male-specific proportions and pelvic inlet shape compared to the female pelvis for sex-difference anatomy teaching

Table Clamp for Lab Rod, 2.5" Table Thickness Metal Labware_Clamps & Bossheads and major vessels of theLaboratory table clamp mounting rods to benches up to 2. 5 inches thick, anchoring retort stands and apparatus to the edge of a classroom workbench.