Category
page 1Scientific equipment
astrolabe
alt=Planispheric Astrolabe made of brass, cast, with fretwork rete and surface engraving|thumb|upright=1.2|North African, planispheric astrolabe. Khalili Collections|Khalili Collection.
thumb|upright|A modern astrolabe made in 2013, in Tabriz, Iran.
Optical table
vibration control platform
Dual polarization interferometry
measures the real and imaginary components of the complex refractive index