non-magnetic claw hammer
Datecirca 1948
Inventory Number2003-1-0304a
ClassificationHammer
Subject
User
Harvard Cyclotron Laboratory
1937 - 2002
Cultural Region
Dimensions35.4 x 3.7 x 13 cm (13 15/16 x 1 7/16 x 5 1/8 in.)
Material
DescriptionThis claw hammer is made of beryllium copper alloy and has a wooden handle. The grip is pierced with drilled holes. The head is marked, "H21 / AMPCO / BERYLLIUM" and "U. S. A." The handle is stamped with a diamond surrounding the word "[AMP]CO." It is also stamped with "MADE IN US[A]." Letters in square brackets are very worn away.
In Collection(s)
Signedon head and handle: AMPCO
Inscribedon head: H21 / AMPCO / BERYLLIUM
on head: U. S. A.
on handle: AMPCO
on handle: MADE IN USA
FunctionNon-magnetic safety tools protect scientific and industrial workers from hazards of using tools in high magnetic fields.
Historical AttributesThis non-magnetic hammer was a safety tool employed in the "vault" of the Harvard Cyclotron Laboratory very near to the dees of the cyclotron. It was made of a beryllium copper alloy.
Hamner Electronics Company, Inc.
Object number: RS1008
Department of Geology and Geography, Harvard University
Date: 1972
Accessories: part of model (disconnected)
Object number: 2011-1-0010
Department of Geology and Geography, Harvard University
Date: 1963
Object number: 2011-1-0013
Wessell, Nickel & Gross
Date: circa 1910
Object number: 1997-1-1064
Date: 1890-1930
Object number: RS0505
American
Date: 1890-1915
Accessories: in instrument file:
Trow and Holden Company Catalog, Stone Cutting Tools (Barre, VT, 2000)
Emails to and from Professor James Thompson discussing relationship with LaForge
Letters to and from Norman Akley, president of Trow and Holden
Pictures of hammer
Object number: 2000-1-0033
See also/See also
