Vintage US Gauge Co NY 400 Pressure Gauge 3 1/2AD- 4566 Made in USA. Stainless

Specifications

Vintage US Gauge Co NY Compound 400 Pressure Gauge 3 1/2AD- 4566 Made in USA. Stainless Based on typical production, U.S. Gauge Co. compound gauges labeled with a specific model number like "4566" generally date from the mid-20th century, likely between the 1930s and 1950s. The company, often marked as "USG," was highly active in producing industrial pressure and vacuum gauges for steam, air, and liquid systems during this era. The 4566 model was designed to read both pressure (positive) and vacuum (negative) simultaneously, often used in HVAC or pump applications. Very Rare!

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