Combination Dark Chamber for Phototropism Experiments, 21 x 7 x 7" Subcategory_Microtomes 1 accuracy with a calibration

1 accuracy with a calibration screwdriver and case

Cylindrical dropping funnel in heavy-duty borosilicate glass holds 250mL with PTFE stopcock and 29/32 plastic stopper for liquid addition

Six-part life-size chicken anatomy model designed by veterinary professionals reveals avian internal structure and poultry biology for agricultural teaching

a chimney shelf

Combination Dark Chamber for Phototropism Experiments, 21 x 7 x 7" Subcategory_Microtomes 1 accuracy with a calibrationEnclosed dark chamber with directional light ports houses seedlings under controlled conditions for phototropism, etiolation, and light direction response experiments.