Hook'S Law Apparatus - Student, Supplied With Weights, Scale Marked In mm, Includes Experimental Notes, Wooden Base, A Hook Supporting A Coiled Spring With A Mass Hanger And Indicator Is Attached To Rod, 10G Weight Plates Included
Calibration Test Kit, Y tubing with inflation bulb, valve, and various connectors to permit testing of accuracy for aneroids or mercury sphygs against unit of known accuracy, Not made with natural rubber latex, Assembled in the USA