Soda Glass Pneumatic Trough with Concave Base, 12 x 6 inch Subcategory_Scales and Balances Integrated diaphragm beneath an 8-inch

Integrated diaphragm beneath an 8-inch heart model contextualizes cardiac position within the thoracic cavity during combined respiratory and cardiac teaching

the shatter-resistant body splitting white light into spectral colors for safer per-desk dispersion work

Cut-away section on this chloroplast model exposes grana stacking

with a clean linear pole structure for field-line mapping work

deflecting a pivoting cobalt-steel compass needle inside a rectangular conductor frame to show that current generates a magnetic field

Soda Glass Pneumatic Trough with Concave Base, 12 x 6 inch Subcategory_Scales and Balances Integrated diaphragm beneath an 8-inchSoda glass pneumatic trough with concave base measures 12 inches diameter by 6 inches tall for gas collection over water.