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1-foot Gregorian reflecting telescope
1-foot Gregorian reflecting telescope

1-foot Gregorian reflecting telescope

Datecirca 1747
Inventory NumberDW0510
ClassificationTelescope
Subject
    Maker James Short 1710 - 1768
    Cultural Region
      Place of Origin
        Dimensionstube length: 44.5 cm (17 1/2 in.)
        case: 12.5 x 51 x 18.5 cm (4 15/16 x 20 1/16 x 7 5/16 in.)
        Material
          Accessoriestwo dust covers
          DescriptionThis Gregorian reflecting telescope has a 3-inch aperture and focal length of 12 inches. It has an altazimuth mount attached to a pedestal screwed into the top of its storage box. The pedestal is pierced with a large hole. A long steel rod is in the case and fits into this hole. The finder sights are of the gun-sight form.
          Signedon tailpiece: JAMES SHORT LONDON 47/464 = 12
          ProvenanceDavid Wheatland purchased from Saul Moskowitz (Historical Technology, Inc.), Marblehead, Massachusetts, December 1, 1976 (catalog 113, #100). Donated to CHSI 1985.
          2-foot Gregorian reflecting telescope with split object glass micrometer
          2-foot Gregorian reflecting telescope with split object glass micrometer
          James Short
          Date: circa 1763
          Accessories: split object glass micrometer; spare secondary mirror in tin box (0002b).
          Object number: 0002
          4-foot Gregorian reflecting telescope
          4-foot Gregorian reflecting telescope
          James Short
          Date: circa 1767
          Accessories: Tin box with spare secondary mirror (0001b); spare eyepiece (0001c); primary mirror in wooden case (0001d)
          Object number: 0001a
          4-foot Gregorian reflecting telescope
          4-foot Gregorian reflecting telescope
          James Short
          Date: circa 1767
          Accessories: Tin box with spare secondary mirror (0001b); spare eyepiece (0001c); primary mirror in wooden case (0001d)
          Object number: 0001a-d
          1-foot Gregorian reflecting telescope
          1-foot Gregorian reflecting telescope
          Benjamin Martin
          Date: circa 1750
          Accessories: filter, dust cap
          Object number: DW0810
          1-foot Cassegrain reflecting telescope
          1-foot Cassegrain reflecting telescope
          James Short
          Date: circa 1758
          Accessories: dust cap; object glass micrometer (0059)
          Object number: 0053
          2-foot Gregorian reflecting telescope
          2-foot Gregorian reflecting telescope
          Claude-Siméon Passemant
          Date: 1750-1769
          Accessories: dust cap
          Object number: DW0936
          mount for Gregorian reflecting telescope
          mount for Gregorian reflecting telescope
          James Short
          Date: 1743
          Object number: DWN0007b
          2.75-foot Gregorian reflecting telescope
          2.75-foot Gregorian reflecting telescope
          Jean-Baptiste-Charles Gonichon
          Date: 1733-1763
          Accessories: dust covers for tube and eyepiece
          Object number: DW0814
          37-inch Gregorian reflecting telescope
          37-inch Gregorian reflecting telescope
          James Short
          Date: 1743
          Object number: DWN0007a
          37-inch Gregorian reflecting telescope
          37-inch Gregorian reflecting telescope
          James Short
          Date: 1743
          Accessories: Eyepiece and lid.
          Object number: DWN0007a,b
          1-foot Gregorian reflecting telescope
          1-foot Gregorian reflecting telescope
          Claude Paris
          Date: circa 1750
          Object number: DW0811
          1-foot Gregorian reflecting telescope
          1-foot Gregorian reflecting telescope
          Claude Paris
          Date: 1735-1745
          Object number: DW0978