Nash Type 9 Water Meter

This is a disc water meter with frost-proof flanges on the bottom and serial number 775,872 that fit a ⅝” pipe, and that was made by the National Meter Company in Brooklyn, New York. The case is marked “NATIONAL METER CO. 5/8 AA-X NASH” and “TYPE 9” and “1114” and “775872.” The rectangular top is marked “NATIONAL METER CO. NEW YORK 775872” AND “1114.” The name refers to Lewis H. Nash, the man who served as chief engineer of National Meter for over thirty-five years and who, in the late 1880s, designed the first disc meter made in the United States. AA-X designates a linear register.
Ref: National Meter Co., Type “9” Nash Water Meter.
Currently not on view
date made
ca 1910-ca 1947
National Meter Company
place made
United States: New York, Brooklyn
Physical Description
brass (overall material)
overall: 8 1/4 in x 7 1/4 in; 20.955 cm x 18.415 cm
ID Number
accession number
catalog number
Credit Line
A.A. Hirsch
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Medicine and Science: Physical Sciences
Measuring & Mapping
Water Meters
Natural Resources
Data Source
National Museum of American History