Human Pancreatic Duct Model, 10 x 7" on Base Included_Bosshead and d2sp3 atoms for hybridization-and-geometry

and d2sp3 atoms for hybridization-and-geometry visualization

Stove-enameled metal-cased laboratory stop clock with minute and second sweep hands

and physics principles in classroom investigations

and classroom projects

the 90-45-45-degree geometry serving as a precision turning element for total internal reflection and beam-redirection in introductory optics

Human Pancreatic Duct Model, 10 x 7" on Base Included_Bosshead and d2sp3 atoms for hybridization-and-geometryThree dimensional hand painted pancreatic duct on a display base exposes the main duct and surrounding pancreatic anatomy for endocrine and digestive system teaching.