Optics Physics Labware
Diffraction Gratings
Photographic replica gratings mounted on a plate glass & suitable for visual. Grading size 25 x 25 mm, on glass plate 50 x 38 mm. The grating are of :
| Type | A | B | C | D | E |
| Size (lines/mm) | 300 | 600 | 2400 | 7500 | 15000 |
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