water watch, model 310

water watch, model 310

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Object Name
Water Watch, Model 310
date made
ca 1986
overall - from catalog card: 8 3/4 in x 1 5/32 in x 1 15/16 in; 22.225 cm x 2.9464 cm x 4.92125 cm
overall: 9 7/8 in x 1 1/8 in x 1/4 in; 25.0825 cm x 2.8575 cm x.635 cm
ID Number
catalog number
accession number
Credit Line
See more items in
Work and Industry: Mechanisms
Data Source
National Museum of American History
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