US$ 110.00
50 black paper sheets
this bottle of coarse 20-mesh iron filings is a staple for classroom magnetism and field-pattern demonstrations
625 inches in diameter
conduction
delivering wheel-driven power to a lamp or a Newton color disc
Functional Human Knee Joint Model StockedLY9121 50 black paper sheetsFlexible joint allows the model to move through knee flexion and extension, demonstrating ligament engagement and meniscus function for sports medicine teaching.
US$ 110.00
US$ 109.95
US$ 174.95
US$ 24.00
US$ 139.95
US$ 21.95