Marsh Instrument Company Pressure Gauge Recalibrator 1000 PSI

Vintage MARSH INSTRUMENT COMPANY MASTER GAUGE 6" TYPE 200-C 30-0-30 Vac/PSI

Marsh Instrument Company Test Gauge - Type 28 (LPW116Y)

Vintage Marsh Instrument Company Gauge - Type 28 0-60 PSI

Marsh Instrument Co Company Gauge Vintage Steampunk Collectible Skokie Illinois

Marsh Instrument Company Test Gauge - Type 28 (LPW117A)

Marsh Instrument Company Test Gauge - Type 28 (LPW117B)

Marsh Instrument Company Test Gauge - Type 28 (LPW116Z)