Detroit lubricator Company - Hydrostatic | Proxibid
Automatic lubricator - Wikipedia
Steam lubrication question | Home Model Engine Machinist Forum
DSC06629 - Hydrostatic Displacement Lubricator of Steam Lo… | Flickr
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