Slits

Single slit :- All metallic, diffraction grating clamp type and is fitted on prism table of spectrometer for interference of light experiment.

Double Slit :- All metallic diffraction grating clamp type and is fitted with two micrometers screw slides forming a double slit with fine edges in the center of the vertical clamp holding device. Very superior quality.

Micrometer Slit (Slit for resolving power of telescope) :- The micrometer slit has a heavier screw thread, 0.5 mm pitch x 6 mm dia, carrying a drum which is divided into fifty divisions giving a reading of 0.01 mm. An index is provided with a 5 mm sale divided in 0.5 mm divisions.