estimating system

estimating system

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Location
Currently not on view
Object Name
estimating system
date made
1972
Measurements
overall - from catalog card: 15 1/8 in x 11 1/4 in x 6 5/8 in; 38.4175 cm x 28.575 cm x 16.8275 cm
overall: 6 1/2 in x 11 1/8 in x 15 1/4 in; 16.51 cm x 28.2575 cm x 38.735 cm
ID Number
1997.0236.01
accession number
1997.0236
catalog number
1997.0236.01
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Work and Industry: Mechanical and Civil Engineering
Data Source
National Museum of American History
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