Superior Wooden Test Tube Support, 12-Place Biology_Botany This is highly useful apparatus

This is highly useful apparatus for the wave demonstration

with side arms bent at right angles and formed into jets at their tips

and internal bony landmarks

combining autoclavability with transparency so flow can be observed through the wall

Economical slide viewer projects microscope slides as enlarged images for group viewing without requiring a full microscope setup in teaching environments

Superior Wooden Test Tube Support, 12-Place Biology_Botany This is highly useful apparatusTwelve place hardwood test tube rack combining ten 19 mm holes and two 25 mm holes with twelve draining pins for mixed size storage and inverted drying on the bench.