Analog-to-Digital Converter Demonstrator Subcategory_Glass Tubing 5-inch skeleton in various positions

5-inch skeleton in various positions for kinesiology demonstrations

Removable full-term fetus sits within a numbered female pelvis

telophase — progress across this plant mitosis model for cell division teaching in biology courses

and organelles with hand-painted detail on a mounted base for biology teaching

and concavo-convex forms for classroom work

Analog-to-Digital Converter Demonstrator Subcategory_Glass Tubing 5-inch skeleton in various positionsUsed to introduce digital communications, this 8x4. 75 inch analog to digital converter samples and quantizes a continuous input into a binary digital output for student visualization.