It allows oil to be introduced into the steam flow to support engine operation. Model: M7B. The oiler features a 1/4" × 40 TPI screw fitting and is compatible with 3 mm pipelines. 3 mm Pipeline Compatibility.
M7B Steam Engine Displacement Oiler for Steam
Microcosm M7B Steam Engine Displacement Oiler – 1/4" x 40 TPI
M7B Steam Engine Displacement Oiler 1/4"x40TPI with Glass Tube
M7C Steam Engine Displacement Oiler 1/4x40 TPI Brass Lubricator
M7B Mini Live Model Steam Engine Part Kit Displacement Oiler 1/4"X40TPI
Microcosm M7B Split-Type Positive Displacement Glass Oiler (Steam Engine Models)
