Polypropylene Utility Tray, 14.5 x 13.5 x 5" Safety Supplies_Lab Coats and Aprons a classic simple-machine apparatus for

a classic simple-machine apparatus for demonstrating mechanical advantage through radius ratio

this two-gap Wheatstone bridge is the standard student apparatus for resistance comparison and verification

laminated iron core

Dial-gauge expansion apparatus with three interchangeable metal rods for heating and measuring the small length change each metal undergoes

Metal 82mm-diameter disc on a 6mm mounting rod

Polypropylene Utility Tray, 14.5 x 13.5 x 5" Safety Supplies_Lab Coats and Aprons a classic simple-machine apparatus forPolypropylene utility tray measures 14. 5 x 13. 5 x 5 inches with deep walls for transporting glassware, dissection supplies, and wet specimens between stations.