Simple spectroscope to watch spectrum and spectral lines, made of cardboard and plastic with built-in grid.
Dimensions: 145 x 28 mm.
Art.-No. 282
Handheld spectroscope in flat cardboard with built-in wavelength scale to determinate directly approximately the wavelength of spectral lines.
Dimensions: 180 x 115 x 25 mm.
Art.-No. 284
Handheld spectroscope in flat metal housing with built-in wavelength scale to determinate directly approximately the wavelength of spectral lines. With attachable holder to put in a sample in a plastic flask.
Dimensions ca. 180 x 115 x 25 mm.
Art.-No. 286