Trident Water Meter

This is a disc meter marked “TRIDENT COMPANY 2 INCH” and “NEPTUNE METER COMPANY NEW YORK.” The Trident was based on designs patented by John Thomson, a prolific inventor and member of the American Society of Civil Engineers.
Object Name
water meter
date made
Neptune Meter Company
Physical Description
brass (overall material)
overall: 17 1/2 in x 9 in; 44.45 cm x 22.86 cm
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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