Portable Digital Voltmeter, 0-20V DC Subcategory_Zoology Models Hundred-fourteen-piece organic chemistry molecular model

Hundred-fourteen-piece organic chemistry molecular model set with 50 atoms and 64 links covering single

this handle-fitted bicycle wheel lets students feel torque resistance in a spinning mass

this 40-piece optical bench kit pairs an aluminum track and sliding holders with lamp

Single open-or-closed switch on a 4mm-terminal base

holding twelve tubes up to 22 mm diameter for classroom and professional bench setups

Portable Digital Voltmeter, 0-20V DC Subcategory_Zoology Models Hundred-fourteen-piece organic chemistry molecular modelBattery powered portable digital voltmeter measuring 0 20V DC at plus or minus 1 digit accuracy on a large LCD, sized to give student bench setups a direct numeric reading without analog parallax.