US$ 14.95
237kg hooked masses for measuring spring extension under load and calculating spring constants
delivering wheel-driven power to a lamp or a Newton color disc
625 inches in diameter
this bottle of coarse 20-mesh iron filings is a staple for classroom magnetism and field-pattern demonstrations
Sequential mitosis stages — prophase
Functional Human Knee Joint Model StockedLY9121 237kg hooked masses for measuringFlexible joint allows the model to move through knee flexion and extension, demonstrating ligament engagement and meniscus function for sports medicine teaching.
US$ 14.95
US$ 128.00
US$ 60.00
US$ 35.95
US$ 12.50