Trident Water Meter

This is a disc water meter with split case and serial number 992,671 that fit a ⅝” pipe, and that was made around 1913 by the Neptune Meter Company in Long Island City, New York. The firm was founded in 1892. Its original product, the Trident water meter, was based on designs patented by John Thomson, a prolific inventor and member of the American Society of Civil Engineers.
Ref: Neptune Meter Company, The Trident Water Meter (New York, 1895, 1901, 1903).
Object Name
water meter
date made
ca 1913
Neptune Meter Company
Physical Description
brass (overall material)
overall: 7 3/4 in x 7 1/2 in; 19.685 cm x 19.05 cm
place made
United States: New York, Queens, Long Island City
ID Number
accession number
catalog number
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Water Meters
Natural Resources
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
A.A. Hirsch

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