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spectroscopic carbon rods
spectroscopic carbon rods

spectroscopic carbon rods

Date1900-1915
Inventory Number1996-1-0543a
ClassificationRod
Subject
    Maker National Carbon Company Inc. founded 1886
    Cultural Region
      Place of Origin
        Dimensionsbox: 3.8 × 31.6 × 3.2 cm (1 1/2 × 12 7/16 × 1 1/4 in.)
        Material
          DescriptionRods made of carbon stored in one of two cardboard boxes.
          Signedon box: NATIONAL CARBON CO., INC.
          FunctionMost likely carbon rods used in carbon arc lamps, which in turn were used for spectroscopic research.
          spectroscopic carbon rods
          spectroscopic carbon rods
          National Carbon Company Inc.
          Date: 1900-1915
          Object number: 1996-1-0543b
          arc lamp carbons
          arc lamp carbons
          National Carbon Company Inc.
          Date: circa 1948
          Object number: 2002-1-0034c
          arc carbons
          arc carbons
          National Carbon Company Inc.
          Date: 1914-1925
          Object number: 1309d
          Eveready battery with housing. Housing with terminals remains with the prismatic astrolabe (in…
          Eveready no. 703, 3 cell carbon-zinc battery
          National Carbon Company Inc.
          Date: circa 1924
          Object number: 2007-1-0173
          National and Eveready arc lamp carbons
          National and Eveready arc lamp carbons
          Union Carbide and Carbon Corporation
          Date: 1925-1960
          Object number: 1997-1-0067a
          Exhibit Case containing Electron Tube Assembly display
          Exhibit Case containing Electron Tube Assembly display
          National Carbon Company Inc.
          Date: 1930
          Object number: RS0925
          Exhibit Case #227 contains Electron Tube Assembly display
          Exhibit Case #227 contains Electron Tube Assembly display
          National Carbon Company Inc.
          Date: 1930
          Object number: RS0924
          support rods
          support rods
          American
          Date: 1900-1950
          Object number: 1998-1-1791
          Four metal rods
          Four metal rods
          American
          Date: early 20th-late 20th Century
          Object number: 2008-1-0177
          steel gaging rods in box, numbered 10-31
          steel gaging rods in box, numbered 10-31
          American
          Date: mid 20th Century
          Object number: RS1325
          metal rods with curved ends (bundle of 7)
          metal rods with curved ends (bundle of 7)
          American
          Date: 1900-1950
          Object number: 1998-1-0334
          steel gaging rods
          steel gaging rods
          American
          Date: late 19th-mid 20th Century
          Object number: RS1327