Order Code: 23246935.8
Category: General Lab Equipment III
7inch dia Scale : Brass, Dia. 190mm. Objective : Achromatic lens, f = 178mm, Aperture 32mm Slit : German silver with knurled screw Reticle : 90° cross etched on glass Least count : 20 seconds Eyepiece : 15X, Ramsden Eyepiece ...