This is an ANTIQUE - OLD - VINTAGE 1800'S - BRASS OILER - LUBRICATOR.  It is as shown and is a BRASS - STEAM ENGINE or HIT & MISS ENGINE - OILER - LUBRICATOR - GEAR DRIVEN - RATCHET DRIVEN.  It is stamped:  LUNKENHEIMER CO. CIN. as shown.  It appears to be a CRANK - RATCHET system and everything moves freely!  It is missing some parts - PLEASE VIEW ALL OF THE PICTURES FOR CONDITION AND COMPLETENESS!    I do not know what this came off of, but it could be any of the following: 
 FARM TRACTOR - HIT & MISS ENGINE - STEAM ENGINE - STEAM ENGINE TRACTOR - AVIATION ENGINE - MARINE ENGINE - FARM TRACTOR or ???? .

This is a "Marvel" mechanical oil pump made by the Lunkenheimer Co. -  mechanical pump part -  The brass and glass oil reservoir is missing.  

You buy it for a very low opening bid AS-IS as described and shown!