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Photographic diffraction objects in a slide frame. Dimensions: 50x50 mm² Slit width [mm]: 0.15 Slit spacing [mm]: 0.25 еще

Photographic diffraction diffraction objects in a slide frame. Dimensions: 50x50 mm² Line count (cm-1): 20; 40; 80 Lattice constant (mm): 0.50; 0.25; 0.125 еще

Photographic diffraction diffraction objects in a slide frame. Dimensions: 50x50 mm² Line count (cm-1): 80 Lattice constant (mm): 0.125 еще

Photographic diffraction diffraction objects in a slide frame. Dimensions: 50x50 mm² Line count (cm-1): 40 Lattice constant (mm): 0.25 No. of lines : 4 Lines/mm еще

This copy of a Rowland grating is supplied on a collodion foil between two glass plates in a metal frame for the purpose of projecting diffraction spectra, measuring wavelengths and observing spectra with spectrum lamps. Lines/unit length ... еще

Transmission grating for spectroscopic examinations and for experiments on diffraction and interference. Suitable to resolve the Na-D lines. Mounted on glass carrier. Dimensions: 38 mm x 50 mm еще

Transmission grating for spectroscopic examinations and for experiments on diffraction and interference. Suitable to resolve the Na-D lines. Mounted on glass carrier. Dimensions: 38 mm x 50 mm еще

Consisting of four line gratings mounted in slide frame with protective glass plates. For students and demonstration experiments. 80, 100, 300 and 600 lines/mm Projection aperture: 24 mm x 35 mm Dimensions: 50 mm x 50 mm еще

For demonstrating the relationship between line spacing and diffraction angle. Consisting of three diffraction gratings on a frame. 100, 300 and 600 lines/mm. еще

Examine the angle of diffraction and interference using these wire mesh gratings in slide frames. Dimensions: 50 mm x 50 mm Number of lines per mm: 140 еще

Examine the angle of diffraction and interference using these wire mesh gratings in slide frames. Dimensions: 50 mm x 50 mm Number of lines per mm: 530 еще

Examine the angle of diffraction and interference using these wire mesh gratings in slide frames. Dimensions: 50 mm x 50 mm Number of lines per mm: 600 еще

Examine the angle of diffraction and interference using these wire mesh gratings in slide frames. Dimensions: 50 mm x 50 mm Number of lines per mm: 1000 еще