A simple and sturdy instrument for students to detect feeble sounds like heart beats.
14 in stock
A simple and sturdy instrument for students. Color may vary.
Memory wire, 1 ft. Beaker not included.
Color guide not included. 100 strips per vial.
pH test paper is used to determine the acidity or al...
Jumbo roll for easy to read color charts.
Dimensions: 50 ft. x 0.5 in. (15.2m x 1.27cm)
3x/6x magnifier. 50mm diameter, dual lens.