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eyepiece
eyepiece

eyepiece

Date1850-1875
Inventory Number2007-1-0335
ClassificationEyepiece
Subject
    Cultural Region
      Dimensions7.2 × 1.8 × 1.8 cm (2 13/16 × 11/16 × 11/16 in.)
      Material
        DescriptionA brass eyepiece with very fine knurling. Two tubes screwed together. Outer diameter of larger tube is 18.3 mm. Threads match that of inv. 2007-1-0330, which like this one has some white paint on it.
        Signedunsigned
        Curatorial RemarksSame maker as inv. 2007-1-0330.
        eyepiece with cross-hairs
        French
        Date: 1850-1875
        Object number: 2007-1-0330
        3 eyepieces
        French
        Date: 1850-1875
        Object number: 2007-1-0336
        eyepiece with cross-hairs and spare tube
        French
        Date: 1850-1875
        Object number: 2007-1-0329
        micrometer eyepiece 
micrometer eyepiece
        French
        Date: 1850-1875
        Object number: 2007-1-0332
        dumpy level
        Adie & Son
        Date: circa 1850
        Accessories: case; dust cap and sunshade; eyepiece
        Object number: 5209
        eyepiece
        French
        Date: 1850-1875
        Object number: 2007-1-0331
        micrometer eyepiece
        French
        Date: 1850-1875
        Object number: 2007-1-0333
        eyepiece
        French
        Date: 1850-1875
        Object number: 2007-1-0334
        Robert B. Tolles
        Date: 1870-1890
        Object number: 1998-1-0376
        telescope eyepiece
        Alvan Clark and Sons
        Date: 1875-1900
        Object number: 2007-1-0181
        telescope eyepiece
        Alvan Clark and Sons
        Date: 1875-1900
        Object number: 2007-1-0182
        telescope eyepiece
        Alvan Clark and Sons
        Date: 1875-1900
        Object number: 2007-1-0183