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resistance decade box
resistance decade box

resistance decade box

Date1914-1930
Inventory NumberRS1055
ClassificationDecade Box
Subject
    Maker Leeds & Northrup Company 1903 - 1995
    Cultural Region
      Place of Origin
        Dimensions10 x 17 x 12 cm, 2 lb. (3 15/16 x 6 11/16 x 4 3/4 in., 0.9 kg)
        Material
          DescriptionThe box is made of wood with a molding at the bottom. There are two hard rubber (bakelite?) dials, one for tens and the other for units. Two binding posts are just over the dials. The attached tag indicates that this device was patented July 28, 1914.
          Signedon top, engraved: THE LEEDS & NORTHRUP CO. / PHILADELPHIA / 41681
          Inscribedplate on side: PATENTED / JULY 28, 1914
          FunctionThis instrument measures electrical resistances.
          setting dials with contact brushes from a decade box
          setting dials with contact brushes from a decade box
          Leeds & Northrup Company
          Date: 1925-1930
          Object number: 1998-1-0690
          decade resistance box
          decade resistance box
          Leeds & Northrup Company
          Date: circa 1914
          Object number: 1997-1-1275
          decade resistance box
          decade resistance box
          Leeds & Northrup Company
          Date: 1910-1930
          Object number: 1997-1-0195
          decade resistance box
          decade resistance box
          Leeds & Northrup Company
          Date: circa 1920
          Object number: 1997-1-1187
          decade resistance box
          decade resistance box
          Leeds & Northrup Company
          Date: 1940-1960
          Object number: 1996-1-0439
          decade resistance box
          decade resistance box
          Leeds & Northrup Company
          Date: circa 1920
          Object number: 1997-1-0178
          decade resistance box
          decade resistance box
          Leeds & Northrup Company
          Date: 1910-1930
          Object number: 1997-1-0176
          decade resistance box
          decade resistance box
          Leeds & Northrup Company
          Date: circa 1912
          Object number: 0521
          decade resistance box
          decade resistance box
          Leeds & Northrup Company
          Date: 1930-1950
          Object number: 1997-1-1209
          decade resistance box
          decade resistance box
          Leeds & Northrup Company
          Date: circa 1930
          Object number: 0578
          decade resistance box
          decade resistance box
          Leeds & Northrup Company
          Date: circa 1940
          Object number: 1997-1-0199
          decade resistance box
          decade resistance box
          Leeds & Northrup Company
          Date: 1940
          Object number: 1997-1-1207