calibrator, surface roughness

calibrator, surface roughness

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Location
Currently not on view
Object Name
Calibrator, Surface Roughness
Steel Block
Physical Description
cardboard (box material)
Measurements
overall - from catalog card: 1/16 in x 2 1/16 in x 5 3/8 in;.15875 cm x 5.23875 cm x 13.65453 cm
overall: 2 1/8 in x 5 1/2 in x 1/8 in; 5.3975 cm x 13.97 cm x.3175 cm
ID Number
MC.335365
catalog number
335365
accession number
320839
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Work and Industry: Mechanical and Civil Engineering
Data Source
National Museum of American History
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