Spherometer for Surface Curvature Measurement Pack Size_8 designed to receive real images

designed to receive real images projected by lenses and concave mirrors during focal-length and magnification experiments on the optical bench

Designed to combine multiple colored light sources inside a single enclosed viewing area

Ceramic ring magnet with 18mm outer diameter

and heart-tube formation for embryology and developmental biology teaching

this cover-protected single rheostat carries a constantan winding with 4mm safety socket terminals

Spherometer for Surface Curvature Measurement Pack Size_8 designed to receive real imagesThree legged spherometer with legs spaced 40 mm apart and a vertical scale reading 10 to +10 mm at 0. 01 mm resolution, calculating radius of curvature for round and spherical optical surfaces.