Polypropylene Utility Tray, 14.5 x 13.5 x 5" Safety Supplies_Lab Coats and Aprons Dial-gauge expansion apparatus with three

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

and C' 512Hz - a major-chord array struck with the included hammer to amplify intervals and harmony

Fifty plain glass microscope slides measure 75 x 25mm with 1

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

Polypropylene Utility Tray, 14.5 x 13.5 x 5" Safety Supplies_Lab Coats and Aprons Dial-gauge expansion apparatus with threePolypropylene utility tray measures 14. 5 x 13. 5 x 5 inches with deep walls for transporting glassware, dissection supplies, and wet specimens between stations.