Periodic table of spectra makes it clear to students that each element has its own spectral fingerprint, Poster Heading: Emission Spectra of Elements, Size: 24 x 36in
Advanced Ripple Tank with Projection Mirror, 21.1lbs, 24.4x15.4x9.4in, Includes: (1) Vibration Generator, (1) Wave monitor unit, (1) Projection screen, (1) Wave dippers, (1) Lever arm and support, (1) Ripple tank, (1) Projection mirror, (1) Set of footers with adjustment screws