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eyepiece
eyepiece

eyepiece

Datecirca 1900
Inventory Number2007-1-0492
ClassificationEyepiece
Subject
    Maker American ?
    Dimensions4.5 × 3.7 × 3.7 cm (1 3/4 × 1 7/16 × 1 7/16 in.)
    Material
      DescriptionBrass eyepiece with aperture stop in the tube.
      Signedunsigned
      Image Not Available for eyepiece cover with aperture stops
      eyepiece cover with aperture stops
      American
      Date: 1860-1880
      Object number: 1998-1-1833
      eyepiece with cross-hairs and spare tube
      eyepiece with cross-hairs and spare tube
      French
      Date: 1850-1875
      Object number: 2007-1-0329
      polariscope eyepiece
      polariscope eyepiece
      Jean Baptiste François Soleil
      Date: 1850-1875
      Object number: 2007-1-0320
      comet eyepiece with "periscopic" lens
      comet eyepiece with "periscopic" lens
      Gundlach Optical Company
      Date: 1880-1900
      Object number: 1996-1-0521
      4 eyepiece caps
      4 eyepiece caps
      French
      Date: 1850-1875
      Object number: 2007-1-0327
      two RAS eyepieces, 1/4 and 1/2 inch
      two RAS eyepieces, 1/4 and 1/2 inch
      English
      Date: 1875-1900
      Object number: 2014-1-0034
      Image Not Available for solar eyepiece
      solar eyepiece
      American
      Date: 1925-1950
      Object number: 2007-1-0562
      2.25-inch telescope eyepiece
      2.25-inch telescope eyepiece
      American
      Date: 1940-1950
      Object number: 2003-1-0188
      polariscope eyepiece
      polariscope eyepiece
      Jean Baptiste François Soleil
      Date: 1850-1875
      Object number: 2007-1-0319
      mounted eyepiece
      mounted eyepiece
      J. Duboscq-Soleil
      Date: circa 1850
      Object number: 1998-1-0339c
      eyepiece with rotating diaphragm
      eyepiece with rotating diaphragm
      R. Morrison
      Date: circa 1875
      Object number: 2007-1-0495
      eyepiece cover with sliding shutter
      eyepiece cover with sliding shutter
      English
      Date: 1730-1740
      Object number: 1998-1-1832