Mass is suspended at the center of metal stick by Ewing’s apparatus. The distance of center point measures Young’s rate of metal stick.

Ewing’s Apparatus(1)

Size: W650xD200xH350mm

Weight: 5.5kg

Supporter with knife edge and hanger(1) : 350mm, 50g

Mass : 200g (7)

Metal Sample : 450×16×5mm, bronze(1), steel(1), copper (1)

Optical lever(1)