Diverging Tube
date: label: date made
content: after 1850
notes: label: Description
content: This hydraulic instrument came from the Proprietors of the Locks and Canals in Lowell, Mass., and was probably used by the resident engineer, James B. Francis. Francis did not mention devices of this sort in the 1855 or 1868 editions of his <i>Lowell Hydraulic Experiments</i>, but he discussed them at length in the 1871 edition of this important book.
label: Description
content: This example is essentially a cast-iron tube that flares at one end. It is 67.5 inches long. The bell is 18 inches wide.
label: Description
content: Ref: “Experiments on the Flow of Water through Submerged Orifices and Diverging Tubes” in James B. Francis, <i>Lowell Hydraulic Experiments</i> (New York, 1871).
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
label: See more items in
content: Water Currents
label: See more items in
content: Measuring & Mapping
creditLine: label: Credit Line
content: Proprietors of the Locks and Canals
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.314778
label: accession number
content: 211155
label: catalog number
content: 314778
objectType: label: Object Name
content: diverging tube
physicalDescription: label: Measurements
content: overall: 67 1/2 in; 171.45 cm
label: Measurements
content: overall: 62 in x 18 in x 6 in; 157.48 cm x 45.72 cm x 15.24 cm