Hand-Painted 3D Amphioxus Embryonic Stages Anatomical Model on Base, 10 x 9 inch Subcategory_Charts and Posters the apex continuing the systematic

the apex continuing the systematic angle-versus-deviation series for comparing nonlinear deviation growth

Borosilicate glass 90cm barometer tube with a 3-4mm bore

Tightly wound 700-turn copper coil on a small air-core former

000 volts to demonstrate energy conversion

reorienting tubing runs through 90 degrees without kinking the line at the bend point

Hand-Painted 3D Amphioxus Embryonic Stages Anatomical Model on Base, 10 x 9 inch Subcategory_Charts and Posters the apex continuing the systematicAmphioxus embryonic development model reveals gastrulation, neurulation, and chordate formation for vertebrate evolution and developmental biology teaching.