Narrow-Angle Glass Prism, 15° x 82.5° x 82.5° Item Type_Dissection Equipment 5-meter precision optical bench

5-meter precision optical bench

Bobbin-wound coil for the demountable transformer with panel-mount 4mm sockets and an enclosed earth connection

verifying vector-addition rules in introductory mechanics units

Pair of nylon-fringed metal pompons on insulated stands that fan into wide cones under mutual repulsion when charged

the diverging curvature softening divergence for subtler virtual-image reduction in optics work

Narrow-Angle Glass Prism, 15° x 82.5° x 82.5° Item Type_Dissection Equipment 5-meter precision optical benchMid narrow 15 x 82. 5 x 82. 5 glass wedge prism, the apex doubling the deviation of the 5 wedge while staying within the small angle approximation regime.