Trident Water Meter

This is a cutaway model of a disc meter with frost proof bottom and serial number 901,271 that fit a ⅝” pipe, and that was made by the Neptune Meter Company in Long Island City, New York, around 1912. The Trident 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 1912
Neptune Meter Company
Physical Description
brass (overall material)
place made
United States: New York, Queens, Long Island City
ID Number
accession number
catalog number
Water Meters
Measuring & Mapping
Natural Resources
See more items in
Medicine and Science: Physical Sciences
Water Meters
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
A.A. Hirsch

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