Skip to main content
Independent Publishers
COUNTRY WEBSITE:  UK websiteClick to visit USA website

Boiler-Pressure-Gauge

In this colour photograph taken by a member of the crew, three brass-rimmed dials are mounted in front of the fireman’s seat including the locomotive’s boiler pressure gauge.

In this colour photograph taken in the cab of Union Pacific’s Big Boy 4014 locomotive by a member of the crew, three brass-rimmed dials are mounted in front of the fireman’s seat including the boiler pressure gauge, here registering an idling pressure of 295 pounds per square inch.