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 ...
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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
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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
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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
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For demonstrating the relationship between line spacing and diffraction angle. Consisting of three diffraction gratings on a frame.
Number of lines: 100, 300 and 600 lines/mm
Dimensions: 90 mm x 30 mm
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