Silicon Tubing, 15 x 4mm Base_Octagonal Fullerene C60 kit with 60

Fullerene C60 kit with 60 atoms and 90 bonds for building the spherical cage structure characteristic of fullerene carbon allotropes

Standard rheostat at 16 ohms and 4A with oxidized constantan winding on a vitreous-enameled steel tube

Alternate-model 75mm reading magnifier with a 20cm focal length

and pyloric regions with internal rugae

Three-part color-coded human skull model differentiates bone regions and sutures for detailed cranial anatomy instruction

Silicon Tubing, 15 x 4mm Base_Octagonal Fullerene C60 kit with 60Silicon tubing at 15 by 4 mm, a wide bore for routing coolant, drain, or vacuum lines on larger laboratory apparatus with flexibility around curves and fittings.