This antique Hit Miss Engine Brass Oiler by Lunkenheimer is a rare find for collectors and enthusiasts of stationary engines. The oiler is made of high-quality brass and features a Sentinel model design. It is perfect for those who appreciate the old-style engines of the late 19th century. The oiler is suitable for use with hit and miss engines and is a valuable addition to any collection. This is an older style sentinel with patent Date of Dec 19, 1899.