Respirometer Subcategory_Specific Gravity Bottles and acetate strips for hollow-conductor

and acetate strips for hollow-conductor work

Pack of 10 Stoddard test tube clamps in stainless steel with finger grip securely holds test tubes during heating

Polished non-warping wooden base with a built-in meter-scale carries a compass-box magnetometer

5 inch base for precise angle measurement during wave-optics investigations

Cast-iron uprights support a 38cm expansion bar against a friction-pointer dial reading 0 to 90 degrees

Respirometer Subcategory_Specific Gravity Bottles and acetate strips for hollow-conductorRespirometer apparatus tracks gas exchange in living cells, tissues, or whole organisms for metabolic rate experiments in plant and animal physiology coursework.