Containing four ruling devices, one box of 72 microscope slides, and a bottle of colloidal graphite to prepare double slits. The slide is accommodated in a groove in the ruling device which has a 0.5 mm pitch feed screw for control of spacing.
Containing four ruling devices, one box of 72 microscope slides, and a bottle of colloidal graphite to prepare double slits. The slide is accommodated in a groove in the ruling device which has a 0.5 mm pitch feed screw for control of spacing.
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Containing four ruling devices, one box of 72 microscope slides, and a bottle of colloidal graphite to prepare double slits. The slide is accommodated in a groove in the ruling device which has a 0.5 mm pitch feed screw for control of spacing.