How a hydrostatic lubricator works

Alex explains how a hydrostatic lubricator works. The cutaway example seen here is used as a training aid at the Hocking Valley Steam School in Ohio.

[@bogdanvasut8915]

The best explanation I found about this extraordinar but almost forgotten piece of engineering. Thank you!

[@Joedy860]

Fantastic explanation and exactly what I was looking for, thank you so much for making this video.

[@highspeedboom]

Your video is the Real McCoy!

[@evmister94]

Great explanation. How does the drop of oil get carried back into the main steam line once it reaches the top of the water column in the tube?

[@user-by1xw4fu3h]

Thank you... From Russia...