Antique Jas P Marsh Corp Compound Vacuum Gauge
Antique Jas P Marsh Corp Compound Vacuum Gauge with Bronze Bushed Movement with a Max Reading of 30lbs Pressure and 30lbs Vacuum. Gauge is Untested
According to my research this gauge appears to be c1930-1940s view pictures to confirm.
Dimensions are Approximately 4.75" x 7.25" x 1.25"