Concave & Convex Lens on stand Digestive System Model diffraction grating holder and a

diffraction grating holder and a Tommy bar for adjusting optical axis

Life sized model measuring 1650mm

High energy density

Polyvinyl Chloride aluminum

Falling Bodies Apparatus

Concave & Convex Lens on stand Digestive System Model diffraction grating holder and aSet of 2 Concave & Convex Lens with Stand Diameter 100mm Premium Quality: Cancave & Convex Lens is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.