aluminum clamping block

Currently not on view
Physical Description
aluminum (overall material)
overall: 1 1/4 in x 2 1/4 in x 1 1/2 in; 3.175 cm x 5.715 cm x 3.81 cm
allen screws: 3/8 in; x .9525 cm
distance betw. screw axes: 7/8 in; 2.2225 cm
distance from bottom of slot to end of screws: 1 1/32 in; 2.61938 cm
ID Number
catalog number
accession number
Credit Line
Gift of California Institute of Technology, Division of Geological and Planetary Sciences
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Medicine and Science: Modern Physics
Data Source
National Museum of American History