How does a hydrostatic lubricator work in a steam locomotive? - Trains
Hydrostatic lubricator
Steam Locomotive Engineers & Firemen | The glasses on the hydrostatic lubricator sometimes become “Cloudy” and as such are hard to tell if the drips were going at the proper rate
Detroit lubricator Company - Hydrostatic | Proxibid
Hydrostatic Lubricator - Hobby Mechanics
Hydrostatic lubricators | Model Engineering Clearing House
Automatic lubricator - Wikipedia
Harrison Lubricator, Patent Model | National Museum of American History