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assorted thumb tacks
assorted thumb tacks

assorted thumb tacks

Date1875-1925
Inventory Number1998-1-1903
ClassificationDrafting Aid
Subject
    Maker Keuffel & Esser Company 1867 - 1987
    Material
      DescriptionA collection of 20 thumb tacks formed from nickel-plated brass or iron, and stored on a wooden support. The support is broken off and was once longer. It appears to have originally been sold with one of the brands of thumb tacks.
      drafting clips and tack
      English
      Date: circa 1875
      Object number: 1998-1-1837
      mineral molecular model: hematite
      Department of Geology and Geography, Harvard University
      Date: 1960
      Object number: 2011-1-0036
      calculating machine, "The Millionaire"
      Hans W. Egli
      Date: circa 1900
      Object number: 1997-1-1736
      Harvard cyclotron bulletin board
      Harvard Cyclotron Laboratory
      Date: 1960-1980
      Object number: 2003-1-0309
      sign:  "Care of Lead Acid Storage Batteries in Laboratory"
      American
      Date: ca. 1943-1950
      Object number: RS0988
      Barritt-Serviss celestial planisphere, 40°N
      Leon Barritt
      Date: 1906
      Accessories: 1937 booklet in file
      Object number: DW0650
      pentagonal block with metal edge
      American
      Date: 1900-1950
      Object number: 1998-1-0195
      standard meter bar
      American
      Date: 1890
      Accessories: wooden box with yellow label
      Object number: 1998-1-0361
      mineral molecular model: orthorhombic sulfur
      Department of Geology and Geography, Harvard University
      Date: 1970
      Object number: 2011-1-0016
      mineral molecular model: topaz
      Department of Geology and Geography, Harvard University
      Date: 1970
      Object number: 2011-1-0043
      Leroy lettering set
      Keuffel & Esser Company
      Date: circa 1950
      Accessories: green plastic case
      Object number: 2004-1-0391
      pantograph
      Keuffel & Esser Company
      Date: circa 1875
      Accessories: pantograph weight (5140b); wooden stands
      Object number: 5140a