It is carefully crafted and uses a split design, which is more suitable for dismantling maintenance and maintenance. Believe it will make your steam engine better lubricated and protect the engine. Screw fitting is 1/4 "X 40 TPI.
Microcosm M7B Steam Engine Displacement Oiler – 1/4" x 40 TPI
M7B Steam Engine Displacement Oiler 1/4"x40TPI with Glass Tube
M7B Steam Engine Displacement Oiler 1/4x40 TPI 3mm Pipe
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)
