Because Unpretentious cast hydrostatic lubricator mesh ticket beggar
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
Automatic lubricator - Wikipedia
Automatic lubricator - Wikipedia
Hydrostatic Displacement Lubricator (India)
Hydrostatic Lubricator | Mechanical Lubricators | GS Model Supplies