Overhead Projector, 250 x 250mm Platform Diameter_250mm University-level dissection kit pairs 20

University-level dissection kit pairs 20 stainless steel instruments in a leather storage case for advanced specimen work and upper-division biology coursework

5mm copper wire on a clear acrylic base support side-by-side comparison of how loop count multiplies the on-axis magnetic field at fixed current

Pairs a wide 100mm aperture with a 150mm focal length

5cm for gas collection over water and chemistry demonstration applications

Overhead Projector, 250 x 250mm Platform Diameter_250mm University-level dissection kit pairs 20Classroom overhead projector with 250 x 250mm transparency platform projects handwritten and printed materials onto a wall or screen for group instruction.