Hooke's Law Spring Class_Class B Test tube with side arm

Test tube with side arm in borosilicate glass measures 125 x 16mm for gas collection

Automatic self-zeroing burette with reservoir features 50mL capacity for titration procedures with hands-free refilling and precise volumetric analysis

Heavy-gauge copper outer vessel with internal sulfate-crystal shelf

the numbered dicot leaf model on a base maps epidermal

Long-stem receiver delivery adapter in borosilicate glass features 24/29 socket for distillation collection and extended chemistry apparatus assembly

Hooke's Law Spring Class_Class B Test tube with side armThree spring replacement set for the Hooke's law apparatus at 1. 25 inch loop to loop length and 0. 38 inch diameter, providing fresh springs as originals lose accuracy from repeated stretching.